RAD1002: Chapter 2 Chest Anatomy X-Ray Procedures (Professor Danielle MXCC)

Which structures make up the bony thorax?

A. The sternum, clavicles, scapulae, 12 pairs of ribs, and thoracic vertebrae

B. The sternum, humeri, scapulae, ribs, and lumbar vertebrae

C. The clavicles, sternum, pelvis, ribs, cervical vertebrae, and 12 thoracic vertebrae

D. The sternum, clavicles, scapulae, 12 pairs of ribs, and 12 thoracic vertebrae

D. The sternum, clavicles, scapulae, 12 pairs of ribs, and 12 thoracic vertebrae

What are the three parts of the sternum, from superior to inferior?

A. Manubrium, body, xiphoid process

B. Body, manubrium, xiphoid process

C. Xiphoid process, manubrium, body

D. Manubrium, xiphoid process, body

A. Manubrium, body, xiphoid process

What is the anatomical role of the clavicles within the bony thorax?

A. They connect the sternum with the humeri and form the posterior thoracic framework

B. They connect the thoracic vertebrae with the sternum and form the anterior thoracic wall

C. They connect the sternum with the scapulae and help form the shoulder framework

D. They connect the scapulae with the ribs and form the lateral thoracic framework

C. They connect the sternum with the scapulae and help form the shoulder framework.

What is the anatomical role of the scapulae within the bony thorax?

A. They form the anterior portion of the thoracic cage and attach directly to the sternum

B. They form the posterior shoulder region and articulate with the clavicles

C. They form the inferior thoracic wall and articulate with the lumbar vertebrae

D. They form the medial thoracic wall and attach directly to the thoracic vertebrae

B. They form the posterior shoulder region and articulate with the clavicles.

Which statement correctly describes the vertebral component of the bony thorax?

A. The cervical vertebrae form the posterior framework

B. The lumbar vertebrae form the posterior framework surrounding it

C. The thoracic vertebrae form the posterior portion

D. The sacral vertebrae form the posterior portion

C. The thoracic vertebrae form the posterior portion

What is the appropriate technique for palpating the vertebra prominens?

A. Firm pressure should be applied with the palm over the posterior neck

B. Gentle pressure should be applied with the fingertips over the posterior neck

C. Lateral pressure should be applied with the thumb along the cervical spine

D. Downward pressure should be applied with the fingers over the anterior neck

B. Gentle pressure should be applied with the fingertips over the posterior neck

What is the vertebra prominens used for in chest positioning?

A. It serves as a palpable landmark for determining CR location on a PA chest projection

B. It serves as a palpable landmark for determining CR location on an AP abdomen projection

C. It identifies the inferior border of the sternum for centering an AP pelvis projection

D. It identifies the superior border of the diaphragm for centering a lateral chest projection

A. It serves as a palpable landmark for determining CR location on a PA chest projection.

What is the anatomical location of the jugular notch?

A. A depression on the inferior sternum near the xiphoid process

B. A depression on the superior sternum below the thyroid cartilage

C. A prominence on the posterior neck formed by the C7 spinous process

D. A depression between the clavicles at the inferior border of the sternum

B. A depression on the superior sternum below the thyroid cartilage.

What is the anatomical significance of the xiphoid process as a positioning landmark?

A. It marks the level of the jugular notch, corresponding to T2-T3.

B. It indicates the approximate level of the anterior diaphragm at T9-T10.

C. It serves as the superior attachment point for the clavicles on the manubrium.

D. It is palpable at the base of the neck and identifies the C7 vertebra.

B. It indicates the approximate level of the anterior diaphragm at T9-T10

What is the primary function of the respiratory system?

A. To transport nutrients from the digestive tract into the bloodstream

B. To circulate blood between the heart and systemic tissues

C. To exchange oxygen and carbon dioxide between air and the bloodstream

D. To regulate calcium levels through endocrine activity

C. To exchange oxygen and carbon dioxide between air and the bloodstream.

What are the 4 main divisions of the respiratory system?

A. Pharynx, trachea, bronchi, lungs

B. Larynx, esophagus, bronchioles, diaphragm

C. Pharynx, larynx, trachea, alveoli

D. Trachea, bronchioles, alveoli, diaphragm

A. Pharynx, trachea, bronchi, lungs

What is the primary muscle of inspiration and what happens when it contracts?

A. The diaphragm contracts and moves upward, decreasing thoracic volume

B. The diaphragm relaxes and moves downward, increasing thoracic volume

C. The diaphragm contracts and moves downward, increasing thoracic volume

D. The diaphragm relaxes and moves upward, decreasing thoracic volume

C. The diaphragm contracts and moves downward, increasing thoracic volume

Which statement best describes the pharynx in relation to the respiratory system?

A. It serves exclusively as an airway between the nose and the larynx during inspiration

B. It connects the larynx directly with the stomach while preventing air from entering the lungs

C. It functions primarily as a muscular valve separating the trachea from the esophagus

D. It serves as a shared passageway for air, food, and fluids before entering separate systems

D. It serves as a shared passageway for air, food, and fluids before entering separate systems

Which division of the pharynx is the superior portion behind the nose and contains the ______?

A. Oropharynx — palatine and lingual tonsils

B. Laryngopharynx — esophagus and lingual tonsils

C. Nasopharynx — Eustachian/auditory tube and pharyngeal tonsils

D. Oropharynx — Eustachian/auditory tube and pharyngeal tonsils

C. Nasopharynx — Eustachian/auditory tube and pharyngeal tonsils

Which division of the pharynx is behind the mouth and contains what?

A. Nasopharynx — Eustachian/auditory tube and pharyngeal tonsils

B. Laryngopharynx — esophagus and lingual tonsils

C. Oropharynx — palatine and lingual tonsils

D. Nasopharynx — palatine and lingual tonsils

C. Oropharynx — palatine and lingual tonsils

Which division of the pharynx is above and behind the larynx, extending from the upper epiglottis to the esophagus?

A. Nasopharynx

B. Oropharynx

C. Nasopharynx

D. Laryngopharynx

D. Laryngopharynx

What is the larynx commonly known as, and why?

A. The windpipe, because it carries air to the lungs and respiratory passages

B. The food pipe, because it carries food to the stomach and digestive tract

C. The voice box, because it contains the vocal cords and is involved in producing sound

D. The throat, because it connects the nose and mouth to the esophagus and pharynx

C. The voice box, because it contains the vocal cords and is involved in producing sound

Which laryngeal cartilage forms the anterior wall of the larynx?

A. Cricoid cartilage

B. Thyroid cartilage

C. Arytenoid cartilage

D. Epiglottic cartilage

B. Thyroid cartilage

What is the laryngeal prominence, also known as the Adam's apple?

A. A posterior projection of the cricoid cartilage

B. A lateral projection of the arytenoid cartilage

C. A prominent front projection of the thyroid cartilage

D. A superior projection of the epiglottic cartilage

C. A prominent front projection of the thyroid cartilage

The laryngeal prominence (Adam's apple) is an important positioning landmark located approximately at which level?

A. C2-C3

B. C3-C4

C. C4-C5

D. C6-C7

C. C4-C5

How does the structural composition of the larynx facilitate its functions?

A. The hyoid bone suspends the larynx, and the cricoid cartilage serves as the primary site for phonation.

B. The laryngeal prominence and thyroid cartilage function to regulate the passage of air into the trachea.

C. The epiglottis and cricoid cartilage work together to modulate the pitch and volume of the voice.

D. Its cartilaginous framework, including the epiglottis, prevents food entry while the vocal folds produce sound.

D. Its cartilaginous framework, including the epiglottis, prevents food entry while the vocal folds produce sound.

What is the structural relationship between the hyoid bone and the larynx?

A. The hyoid forms the inferior portion of the laryngeal cartilage

B. The hyoid forms the posterior wall of the larynx

C. The hyoid forms the superior cartilage of the larynx

D. The hyoid suspends the larynx but is not part of the larynx

D. The hyoid suspends the larynx but is not part of the larynx

What is the function of the epiglottis in relation to the respiratory and digestive systems?

A. It serves as the primary site for sound production within the larynx during phonation.

B. It covers the tracheal opening to prevent food from entering the airway during swallowing.

C. It regulates airflow by constricting the laryngeal prominence during normal phonation.

D. It facilitates the passage of food from the oropharynx into the laryngopharynx during swallowing.

B. It covers the tracheal opening to prevent food from entering the airway during swallowing

Which statement best describes the structural relationship of the esophagus to the trachea?

A. It is located anteriorly to the larynx and laterally to the primary bronchi.

B. It lies posterior to the larynx and trachea within the mediastinum.

C. It connects the oropharynx to the stomach and is a component of the respiratory system.

D. It runs parallel and anterior to the trachea, sharing cartilaginous rings.

B. It lies posterior to the larynx and trachea within the mediastinum

What is the mechanism by which the trachea maintains its patency during respiration?

A. The trachea is supported by a series of complete cartilaginous rings that prevent airway collapse.

B. Its structural integrity is maintained by the surrounding thyroid and cricoid cartilages of the larynx.

C. The trachea is reinforced by C-shaped cartilaginous rings that support its anterior wall.

D. The esophagus provides structural support to the posterior aspect of the trachea during respiration.

C. The trachea is reinforced by C-shaped cartilaginous rings that support its anterior wall

Which statement accurately describes the path of the trachea and its termination?

A. It extends from the laryngopharynx at C3 to its bifurcation at the level of T4-T5.

B. It connects the larynx to the primary bronchi, terminating at the carina.

C. It begins at the hyoid bone and ends at the level of the cricoid cartilage.

D. It descends posterior to the esophagus, branching at the level of the xiphoid process.

B. It connects the larynx to the primary bronchi, terminating at the carina

What vertebral level marks the approximate inferior extent of the trachea?

A. T1

B. T2

C. T5

D. T7

C. T5.

How is the thyroid gland anatomically related to the trachea and larynx?

A. It is situated superior to the thyroid cartilage, extending from C3 to C6.

B. It is located inferior to the cricoid cartilage and anterior to the esophagus within the neck.

C. It consists of two lobes positioned on each side of the trachea, below the thyroid cartilage.

D. It is embedded in the posterior surface of the larynx, adjacent to the epiglottis and pharynx.

C. It consists of two lobes positioned on each side of the trachea, below the thyroid cartilage.

What is the role of the carina within the tracheobronchial tree?

A. It serves as the terminal tracheal cartilage that bifurcates into the primary bronchi.

B. It forms the prominent "Adam's apple" at the level of C4-C5.

C. It is the C-shaped ring of cartilage located on the inferior aspect of the larynx.

D. It is the superior cartilage that covers the trachea during deglutition.

A. It serves as the terminal tracheal cartilage that bifurcates into the primary bronchi.

How do the anatomical features of the right and left primary bronchi differ?

A. The right primary bronchus is longer and more horizontal than the left.

B. The left primary bronchus is wider and more vertical than the right.

C. The right primary bronchus is wider and more vertically oriented than the left.

D. The left primary bronchus is shorter and has a greater diameter than the right.

C. The right primary bronchus is wider and more vertically oriented than the left

Where are aspirated food particles most likely to become lodged after entering the lower respiratory tract?

A. Right bronchus

B. Left bronchus

C. Carina

D. Right or left alveoli

A. Right bronchus.

What is the role of the bronchioles within the respiratory system?

A. They divide the trachea into the right and left primary bronchi

B. They carry air through progressively smaller branches toward the alveoli

C. They exchange oxygen and carbon dioxide directly with the bloodstream

D. They maintain the primary airway through large C-shaped cartilage rings

B. They carry air through progressively smaller branches toward the alveoli.

What physiological exchange occurs at the level of the alveoli?

A. Oxygen diffuses from the blood into the alveoli, and carbon dioxide is transported to the lungs.

B. Nitrogen and other atmospheric gases are exchanged for oxygen in the pulmonary capillaries.

C. The blood is oxygenated while metabolic waste products are stored for removal by the kidneys.

D. Carbon dioxide is released from the blood, and oxygen is absorbed into the bloodstream.

D. Carbon dioxide is released from the blood, and oxygen is absorbed into the bloodstream.

What occurs during inspiration as a result of diaphragm contraction?

A. The diaphragm ascends,ecreasing the vertical dimension of the thoracic cavity.

B. The diaphragm flattens and moves inferiorly, increasing thoracic volume.

C. The right hemidiaphragm moves superiorly due to pressure from the liver.

D. The diaphragm relaxes, allowing the lungs to passively recoil and deflate.

B. The diaphragm flattens and moves inferiorly, increasing thoracic volume

What mechanism explains the difference in height between the right and left hemidiaphragms?

A. The right hemidiaphragm is positioned more superiorly due to the presence of the liver.

B. The left hemidiaphragm is elevated because of the space occupied by the heart.

C. The right hemidiaphragm is lower to accommodate the larger size of the right lung.

D. The left hemidiaphragm is positioned higher due to the stomach's location inferiorly.

A. The right hemidiaphragm is positioned more superiorly due to the presence of the liver.

What is the primary function of the lung hilum?

A. It forms the inferior lung surface where it rests against the diaphragm and thoracic cavity.

B. It separates the superior and inferior lung lobes through a deep pulmonary fissure.

C. It serves as the central region where bronchi, vessels, lymph vessels, and nerves enter or leave.

D. It forms the outer membrane covering the lung and lining the inner thoracic cavity.

C. It serves as the central region where bronchi, vessels, lymph vessels, and nerves enter or leave

Which description accurately compares the number of lobes and fissures between the lungs?

A. The right lung has two lobes separated by an oblique fissure, while the left has three.

B. The right lung has three lobes, and the left has two, with each containing a horizontal fissure.

C. The left lung has two lobes separated by an oblique fissure, while the right has three lobes.

D. Both lungs contain two lobes, but only the right lung possesses a horizontal fissure.

C. The left lung has two lobes separated by an oblique fissure, while the right has three lobes

Which description best characterizes the parenchyma of the lungs?

A. It consists of the light, spongy, elastic tissue responsible for expansion and contraction.

B. It is the tough, fibrous membrane that encases the lungs and provides structural support.

C. It is comprised primarily of the bronchi and bronchioles that conduct air to the alveoli.

D. It is the outer lining of the lung that adheres to the inner surface of the thoracic wall.

A. It consists of the light, spongy, elastic tissue responsible for expansion and contraction

What is the primary functional distinction between the parietal and visceral layers of the pleura?

A. The parietal layer lines the lungs directly, while the visceral layer adheres to the diaphragm.

B. The parietal layer covers the internal chest wall, and the visceral layer encases the lung surface.

C. The parietal layer is contained within the lung fissures, and the visceral layer is external.

D. The parietal layer produces lubrication fluid, while the visceral layer facilitates gas exchange

B. The parietal layer covers the internal chest wall, and the visceral layer encases the lung surface

What is the function of the pleural fluid located in the pleural cavity?

A. It acts as a buffer to absorb shock and protect the lungs from physical trauma.

B. It provides a medium for oxygen and carbon dioxide to diffuse between the lungs and blood.

C. It reduces friction between the pleural membranes during the movements of respiration.

D. It anchors the lungs to the diaphragm and prevents their displacement during movement.

C. It reduces friction between the pleural membranes during the movements of respiration

What clinical condition is characterized by the accumulation of air within the pleural cavity?

A. Hemothorax

B. Pleural effusion,

C. Pneumothorax

D. Atelectasis

C. Pneumothorax

Which of the following conditions would demonstrate as the absence of the diaphragm contour and blunting of the costophrenic angle?

A. Emphysema

B. Pleural effusion

C. Pneumothorax

D. Atelectasis

B. Pleural effusion

What is a hemothorax?

A. Blood in the pleural cavity

B. Air in the pleural cavity

C. Fluid in the pleural cavity

D. Infection in the pleural cavity

A. Blood in the pleural cavity

When evaluating a posteroanterior (PA) chest radiograph, a radiologist notes an absence of lung markings and a pleural line on the patient's right side. Which of the following pathologies is the most likely cause for this appearance?

A. Pneumonia

B. Pneumothorax

C. Pleurisy

D. Croup

B. Pneumothorax

Which of the following findings are typically associated with congestive heart failure on a chest radiograph?

A. Pleural air and absent peripheral lung markings

B. Increased lung lucency and flattened diaphragms

C. Focal airspace opacity and visible pleural line

D. Enlarged cardiac silhouette and pulmonary edema

D. Enlarged cardiac silhouette and pulmonary edema

What is a pleural effusion?

A. Fluid in the pleural cavity

B. Blood in the pleural cavity

C. Air in the pleural cavity

D. Infection in the pleural cavity

A. Fluid in the pleural cavity

What are the 4 important mediastinal structures?

A. Thymus gland, heart/great vessels, trachea, esophagus

B. Lungs, heart/great vessels, trachea, diaphragm

C. Thymus gland, lungs, bronchi, esophagus

D. Heart/great vessels, pleura, trachea, diaphragm

A. Thymus gland, heart/great vessels, trachea, esophagus

What is the anatomical location of the thymus gland within the mediastinum?

A. It lies posterior to the heart and inferior to the diaphragm.

B. It is found inferior to the thyroid, positioned anterior and superior to the heart.

C. It is situated posterior to the esophagus and anterior to the vertebral column.

D. It is embedded within the lung hilum and surrounds the primary bronchi.

B. It is found inferior to the thyroid, positioned anterior and superior to the heart

What is the primary function of the thymus gland, and what is its role in the immune system?

A. It produces hormones that regulate blood glucose and stores bile for digestive function.

B. It filters circulating blood and produces red blood cells throughout adult life.

C. It produces digestive enzymes and regulates the body's overall metabolic activity.

D. It supports the development and maturation of T lymphocytes involved in immune function.

D. It supports the development and maturation of T lymphocytes involved in immune function.

On radiographs, how does the thymus gland typically appear in children versus adults?

A. It may be visible in children but is usually not visible in adults because lymphatic tissue is replaced by fatty tissue.

B. It is usually visible in children and adults because lymphatic tissue remains throughout the body.

C. It is usually not visible in children but becomes visible in adults as lymphatic tissue develops.

D. It is only visible in adults because increasing fatty tissue enhances its radiographic appearance.

A. It may be visible in children but is usually not visible in adults because lymphatic tissue is replaced by fatty tissue.

What structure is located within the mediastinum and enclosed by a double-walled sac?

A. The trachea, which descends anterior to the esophagus and bifurcates at the carina

B. The thymus gland, positioned superior to the heart and posterior to the sternum

C. The heart, which lies posterior to the sternum and anterior to the thoracic vertebrae

D. The esophagus, which passes posterior to the trachea and anterior to the spine

C. The heart, which lies posterior to the sternum and anterior to the thoracic vertebrae

What is the pericardial sac, and what is its primary function?

A. A membrane surrounding the lungs that allows them to expand during normal breathing

B. A membrane surrounding the trachea that protects it from compression during respiration

C. A membrane surrounding the esophagus that assists with swallowing and food passage

D. A double-layered sac surrounding the heart that protects the heart and reduces friction as it beats

D. A double-layered sac surrounding the heart that protects the heart and reduces friction as it beats

Which statement best describes the great vessels located within the mediastinum?

A. They include the carotid arteries, femoral arteries, venae cavae, and pulmonary veins

B. They include the aorta, coronary arteries, carotid arteries, and jugular veins

C. They include the venae cavae, aorta, brachial arteries, and pulmonary veins

D. They include the venae cavae, aorta, pulmonary arteries, and pulmonary veins

D. They include the venae cavae, aorta, pulmonary arteries, and pulmonary veins.

What is the functional distinction between the superior and inferior vena cava?

A. The superior vena cava carries oxygenated blood from the lungs while the inferior carries deoxygenated blood

B. The superior vena cava returns blood from the upper body and the inferior returns blood from the lower body

C. The superior vena cava delivers blood to the pulmonary arteries while the inferior delivers to the aorta

D. The superior vena cava receives blood from the heart and the inferior receives blood from the capillary beds

B. The superior vena cava returns blood from the upper body and the inferior returns blood from the lower body

How does the aorta's anatomical pathway progress through the mediastinum?

A. It descends posterior to the trachea and bifurcates into the pulmonary arteries

B. It ascends from the left ventricle, arches superiorly, then continues as the descending aorta

C. It originates from the right ventricle and passes anterior to the esophagus and trachea

D. It arises from the left atrium and courses inferiorly along the vertebral column

B. It ascends from the left ventricle, arches superiorly, then continues as the descending aorta

What is the primary function of the pulmonary artery?

A. It carries deoxygenated blood from the right ventricle to the lungs for gas exchange.

B. It carries oxygenated blood from the lungs to the left atrium for circulation.

C. It carries deoxygenated blood from the body to the right atrium for circulation.

D. It carries oxygenated blood from the left ventricle to the body for systemic circulation.

A. It carries deoxygenated blood from the right ventricle to the lungs for gas exchange.

What is the primary function of the pulmonary veins?

A. They carry deoxygenated blood from the heart toward the pulmonary capillary network

B. They return oxygenated blood from the lungs toward the heart

C. They carry oxygenated blood from the heart toward the systemic circulation

D. They return deoxygenated blood from the body toward the right side of the heart

B. They return oxygenated blood from the lungs toward the heart.

Which group represents major structures that can be evaluated on a PA chest radiograph?

A. Lungs, esophagus, stomach, kidneys, liver, and lumbar vertebrae

B. Larynx, thyroid, pharynx, stomach, pelvis, and thoracic vertebrae

C. Bronchioles, alveoli, colon, kidneys, sternum, and lumbar vertebrae

D. Lungs, trachea, heart, diaphragm, clavicles, scapulae, and ribs

D. Lungs, trachea, heart, diaphragm, clavicles, scapulae, and ribs.

How does a hypersthenic body habitus affect chest radiographic positioning?

A. The lungs are positioned higher with a wider, shorter thorax, requiring careful centering and collimation

B. The lungs are positioned lower with a narrow, elongated thorax, requiring increased vertical coverage

C. The lungs are positioned centrally with a narrow thorax, requiring reduced horizontal coverage

D. The lungs are positioned inferiorly with a shallow thorax, requiring increased vertical centering

A. The lungs are positioned higher with a wider, shorter thorax, requiring careful centering and collimation

What is the main chest radiography positioning challenge with a hyposthenic/asthenic body habitus, and what must the technologist ensure?

A. The long, lean thorax requires the IR to include the entire lung field from both apices to both costophrenic angles.

B. The broad, short thorax requires the IR to include the upper abdomen and lower lung fields during positioning.

C. The wide thorax requires the CR to be centered lower to include the costophrenic angles during exposure.

D. The short thorax requires the collimation to be limited to the central lung regions during exposure.

A. The long, lean thorax requires the IR to include the entire lung field from both apices to both costophrenic angles

What occurs to the thoracic dimensions during deep inspiration?

A. The diaphragm elevates while the ribs depress, reducing the vertical and transverse diameters

B. The vertical dimension increases due to diaphragmatic descent and the ribs elevate outward

C. The transverse diameter decreases as the ribs move inferiorly and the diaphragm flattens

D. The anteroposterior dimension diminishes as the ribs rotate downward and inward

B. The vertical dimension increases due to diaphragmatic descent and the ribs elevate outward

During inspiration, how does the transverse diameter of the thoracic cavity change?

A. It increases as the ribs swing outward and upward

B. It decreases as the ribs swing inward and downward

C. It remains unchanged as the ribs move during inspiration

D. It increases as the diaphragm moves downward during inspiration

A. It increases as the ribs swing outward and upward

What is the minimum radiographic criterion for adequate inspiration on a PA chest image?

A. A minimum of 8 anterior ribs must be visible above the diaphragm

B. The diaphragm must be positioned at the level of the 12th thoracic vertebra

C. At least 10 posterior ribs should be demonstrated above the diaphragm

D. The costophrenic angles must appear sharp with the diaphragm at T10

C. At least 10 posterior ribs should be demonstrated above the diaphragm

Why is counting ribs important when evaluating a PA chest radiograph?

A. It determines whether the patient was positioned with the correct lateral side closest to the IR

B. It helps determine whether sufficient inspiration was achieved during the exposure

C. It confirms that the CR was centered at the correct level of the thoracic spine

D. It determines whether the lungs were positioned parallel to the image receptor

B. It helps determine whether sufficient inspiration was achieved during the exposure.

Why is poor inspiration problematic when evaluating a PA chest radiograph?

A. Fewer ribs are visible, causing the lungs to appear more opaque or crowded than they actually are

B. More ribs are visible, causing the lungs to appear less opaque or expanded than they actually are

C. Fewer ribs are visible, causing the lungs to appear more expanded or lucent than they actually are

D. More ribs are visible, causing the lungs to appear more crowded or compressed than they actually are

A. Fewer ribs are visible, causing the lungs to appear more opaque or crowded than they actually are

What is an important part of patient preparation before a chest radiographic examination?

A. Have the patient remain fully dressed to maintain body temperature during exposure

B. Have the patient avoid all communication until positioning and exposure are completed

C. Have the patient remain supine until the radiologist determines the appropriate projection

D. Have the patient remove clothing and objects that could create artifacts over the chest

D. Have the patient remove clothing and objects that could create artifacts over the chest.

Which radiation protection strategy is most effective for reducing patient dose during chest radiography?

A. Applying lead shielding over the thyroid and gonads for every examination

B. Minimizing the collimated field size to limit the area exposed to radiation

C. Using lower kVp techniques to reduce scatter radiation reaching the patient

D. Increasing the source-to-image distance to decrease the beam intensity

B. Minimizing the collimated field size to limit the area exposed to radiation

Why is a high kVp used for chest radiography, and how does it help produce a useful image?

A. It uses high kVp to produce long-scale contrast with many shades of gray, helping visualize fine lung markings

B. It uses high kVp to produce short-scale contrast with fewer shades of gray, helping visualize large anatomical structures

C. It uses high kVp to produce short-scale contrast with fewer shades of gray, helping visualize dense anatomical structures

D. It uses high kVp to produce long-scale contrast with many shades of gray, helping visualize fine bone structures

A. It uses high kVp to produce long-scale contrast with many shades of gray, helping visualize fine lung markings

Why are high mA and a short exposure time used for chest radiography, and how do they help produce a useful image?

A. They reduce exposure intensity to increase image noise while limiting radiation exposure to the patient during the radiographic examination

B. They increase exposure time to reduce motion while maintaining adequate image brightness throughout the radiographic examination

C. They increase mAs to increase motion while producing greater contrast between lung structures throughout the radiographic examination

D. They minimize motion by using high mA and short exposure time while maintaining enough mAs to show the lungs and mediastinum without excessive noise

D. They minimize motion by using high mA and short exposure time while maintaining enough mAs to show the lungs and mediastinum without excessive noise

What is the purpose of using a grid in chest radiography with high kVp techniques?

A. To absorb primary radiation and reduce the overall exposure to the image receptor

B. To increase image contrast by removing scattered radiation from the beam

C. To decrease the required mAs and shorten the exposure time for the patient

D. To magnify the cardiac silhouette and improve visualization of the heart borders

B. To increase image contrast by removing scattered radiation from the beam

What is the purpose of an anatomical image marker on a chest radiograph?

A. To identify the patient's exposure factors after the image has been processed

B. To indicate the direction of the CR as it travels through the patient's body

C. To identify the specific tissue density responsible for the radiographic appearance

D. To identify the patient's anatomical right or left side on the image

D. To identify the patient's anatomical right or left side on the image.

Why are anatomical markers especially useful when imaging a patient with situs inversus?

A. They identify the patient's position to ensure the body is aligned correctly during imaging

B. They indicate the exposure factors used to ensure the image has appropriate brightness and contrast

C. They identify the patient's true right and left sides, helping distinguish reversed anatomy from an imaging orientation error

D. They show the location of internal organs to ensure each structure is positioned correctly during imaging

C. They identify the patient's true right and left sides, helping distinguish reversed anatomy from an imaging orientation error

What positioning is generally used for chest radiography in newborns and small infants?

A. They are usually positioned PA erect, with lateral views obtained when necessary

B. They are usually positioned AP erect, with lateral views obtained when necessary

C. They are usually positioned AP supine, with lateral views using a horizontal beam when needed

D. They are usually positioned PA supine, with lateral views using a vertical beam when needed

C. They are usually positioned AP supine, with lateral views using a horizontal beam when needed

What technical factors are typically used for chest radiography in young children?

A. Higher kVp, greater mAs, and longer exposure times to improve image detail

B. Higher kVp, greater mAs, and shorter exposure times to improve image brightness

C. Lower kVp, greater mAs, and longer exposure times to reduce image noise

D. Lower kVp, less mAs, and the shortest exposure time possible to reduce radiation exposure

D. Lower kVp, less mAs, and the shortest exposure time possible to reduce radiation exposure

Where should the central ray (CR) be directed for a geriatric chest radiograph?

A. The CR should be directed to the T4-T5 vertebral level

B. The CR should be directed to the T5-T6 vertebral level

C. The CR should be directed to the T6-T7 vertebral level

D. The CR should be directed to the T7-T8 vertebral level

C. The CR should be directed to the T6-T7 vertebral level

How is mAs affected for a bariatric patient during chest radiography, and why?

A. mAs is decreased because greater body thickness allows more radiation to reach the image receptor

B. mAs is unchanged because high kVp provides sufficient exposure regardless of body thickness

C. mAs is decreased because increased body thickness naturally produces greater receptor exposure

D. mAs is increased because greater body thickness requires more radiation to provide adequate receptor exposure

D. mAs is increased because greater body thickness requires more radiation to provide adequate receptor exposure

What is the clinical rationale for performing both inspiration and expiration chest images?

A. To evaluate diaphragmatic excursion and detect pneumothorax or foreign bodies

B. To compare right and left lung volumes for evidence of obstructive lung disease

C. To assess for pleural effusions that may only appear during the expiratory phase

D. To demonstrate air-fluid levels that shift position with changes in respiration

A. To evaluate diaphragmatic excursion and detect pneumothorax or foreign bodies

Why should erect chest radiographs be performed whenever the patient's condition permits?

A. Expiration is more complete in the erect position, improving visualization of the lung apices

B. The heart shadow is less magnified in the erect position, improving visualization of the cardiac borders

C. Erect positioning allows the diaphragm to move lower, providing greater lung expansion and aeration

D. The upright position prevents pulmonary vascular engorgement and demonstrates air-fluid levels

D. The upright position prevents engorgement of pulmonary vessels and demonstrates air-fluid levels

What other reason chest radiographs should be taken erect?

A. The diaphragm moves upward, causing the abdominal organs to rise and limiting lung expansion

B. The diaphragm remains fixed, preventing the lungs from expanding fully during inspiration

C. The diaphragm moves lower, allowing the lungs to aerate more fully as the abdominal organs descend

D. The diaphragm moves laterally, allowing the lungs to expand while the abdominal organs remain elevated

C. The diaphragm moves lower, allowing the lungs to aerate more fully as the abdominal organs descend

What is the recommended source-to-image distance for chest radiography and why?

A. 40 inches to minimize patient dose and reduce the effects of beam divergence

B. 60 inches to balance image quality with equipment limitations and patient comfort

C. 72 inches to reduce magnification of the heart and mediastinal structures

D. 80 inches to increase scatter radiation and improve overall image contrast

C. 72 inches to reduce magnification of the heart and mediastinal structures

What is the standard projection used for a routine chest radiographic examination when the patient can stand?

A. AP projection with the patient positioned supine against the IR

B. PA projection with the patient standing upright against the IR

C. Lateral projection with the patient lying on the affected side

D. AP projection with the patient rotated 45 degrees toward the IR

B. PA projection with the patient standing upright against the IR.

Why is AP positioning less desirable than PA positioning for chest radiography?

A. The heart is closer to the IR, reducing magnification and making cardiac size easier to evaluate

B. The heart is farther from the IR, increasing magnification and making cardiac size harder to evaluate

C. The lungs are closer to the IR, reducing magnification and making pulmonary markings harder to evaluate

D. The lungs are farther from the IR, increasing magnification and making pulmonary markings easier to evaluate

B. The heart is farther from the IR, increasing magnification and making cardiac size harder to evaluate

How is patient rotation detected on a PA chest radiograph?

A. Rotation is evident when the scapulae are not projected laterally outside the lung fields

B. The trachea deviating to the left of the midline confirms rotation toward the right side

C. Unequal visibility of the posterior ribs above the diaphragm suggests rotational artifact

D. Asymmetry in the distance from the spinous processes to the medial ends of the clavicles indicates rotation

D. Asymmetry in the distance from the spinous processes to the medial ends of the clavicles indicates rotation

How does the positioning of the arms affect the appearance of a lateral chest radiograph?

A. Arms positioned low may project over the upper lung fields and obscure the thyroid

B. Arms raised high above the head removes soft tissue from the lung field and prevents superimposition

C. Arms crossed over the chest helps stabilize the patient and reduces motion artifact

D. Arms resting on the hips increases the anteroposterior diameter and magnifies the heart

B. Arms raised high above the head removes soft tissue from the lung field and prevents superimposition

How can breast shadows be minimized during chest radiography for a patient with large, pendulous breasts?

A. Lift the breasts up and outward to remove some breast tissue from the lower lung fields before removing the hands

B. Lower the breasts downward and inward to move additional breast tissue away from the upper lung fields before removing the hands

C. Rotate the patient slightly to move the breast tissue laterally while keeping the hands positioned against the chest board

D. Increase the exposure factors to penetrate the breast tissue and eliminate the breast shadows from the lower lung fields

A. Lift the breasts up and outward to remove some breast tissue from the lower lung fields before removing the hands

What is the correct centering landmark for a PA chest radiograph using the vertebra prominens?

A. The central ray is directed 3 inches below the C7 spinous process at the level of T2-T3

B. The central ray enters approximately 7 to 8 inches below the C7 spinous process

C. The central ray is centered at the level of the inferior angle of the scapula and the C7 spinous process

D. The central ray is positioned at the midthoracic region corresponding to T5-T6

B. The central ray enters approximately 7 to 8 inches below the C7 spinous process

When using the vertebra prominens (C7) as a landmark for PA chest positioning, approximately how far below C7 should the central ray be directed for females and males?

A. About 8 inches below C7 for females and 7 inches below C7 for males

B. About 6 inches below C7 for females and 7 inches below C7 for males

C. About 7 inches below C7 for females and 8 inches below C7 for males

D. About 8 inches below C7 for females and 9 inches below C7 for males

C. About 7 inches below C7 for females and 8 inches below C7 for males

Where should the CR be centered for a sthenic or hyposthenic athletic patient during a PA chest radiograph?

A. About 6-7 inches below the vertebra prominens, near the T6-T7 level

B. About 7-8 inches below the vertebra prominens, near the T7-T8 level

C. About 4 inches below the vertebra prominens, near the T5 level

D. About 9 inches below the vertebra prominens, near the T8 level

D. About 9 inches below the vertebra prominens, near the T8 level

How does CR centering differ for a hypersthenic patient during a PA chest radiograph?

A. The CR is centered only 6-7 inches below the vertebra prominens

B. The CR is centered about 7-8 inches below the vertebra prominens

C. The CR is centered about 8-9 inches below the vertebra prominens

D. The CR is centered about 9-10 inches below the vertebra prominens

A. The CR is centered only 6-7 inches below the vertebra prominens

For which type of chest examination is the jugular notch palpated as a positioning landmark?

A. PA chest examination

B. Lateral chest examination

C. Oblique chest examination

D. AP chest examination

D. AP chest examination

For an average adult, approximately how far below the jugular notch is the level of T7?

A. 2-3 inches below the jugular notch

B. 3-4 inches below the jugular notch

C. 4-5 inches below the jugular notch

D. 5-6 inches below the jugular notch

B. 3-4 inches below the jugular notch.

For an older or hypersthenic patient, how far below the jugular notch should the CR be centered for an AP chest examination?

A. Approximately 2 inches (5 cm) below the jugular notch

B. Approximately 3 inches (8 cm) below the jugular notch

C. Approximately 4 inches (10 cm) below the jugular notch

D. Approximately 5 inches (13 cm) below the jugular notch

B. Approximately 3 inches below the jugular notch

What is the proper collimation for a chest radiograph?

A. Collimate only along the upper and lower borders of the lung fields using the largest available field size

B. Collimate on all four sides to the lung fields, using a field size of 14 × 17 inches or smaller

C. Collimate only along the lateral borders of the lung fields using a field size larger than 14 × 17 inches

D. Collimate beyond the lung fields on all four sides to ensure no anatomy is excluded from the radiograph

B. Collimate on all four sides to the lung fields, using a field size of 14 × 17 inches or smaller

How is side collimation determined for a PA chest radiograph, and why should it account for deep inspiration?

A. Stand behind the patient, place your hands on each side of the chest, and adjust the field to the outer skin margins because the lungs expand during deep inspiration

B. Stand beside the patient, place your hands over the chest, and adjust the field to the inner lung margins because the lungs contract during deep inspiration

C. Stand behind the patient, place your hands above the chest, and adjust the field to the rib margins because the lungs remain unchanged during deep inspiration

D. Stand in front of the patient, place your hands along the chest, and adjust the field to the skin margins because the lungs decrease during deep inspiration

A. Stand behind the patient, place your hands on each side of the chest, and adjust the field to the outer skin margins because the lungs expand during deep inspiration

What is the ARRT principle for selecting exposure factors in digital radiography?

A. Use the lowest kVp and highest mAs needed to produce a diagnostic image

B. Use moderate kVp and mAs because digital systems require a narrow exposure range

C. Use the highest possible kVp and lowest possible mAs while maintaining optimal image quality

D. Use the highest kVp and highest mAs because digital systems have a wide exposure latitude

C. Use the highest possible kVp and lowest possible mAs while maintaining optimal image quality

What is aspiration?

A. A partial or complete collapse affecting the lung tissue expansion and elasticity

B. Excessive mucus production within the bronchi causing cough and shortness of breath

C. An abnormal collection of fluid accumulating within the pleural cavity causing collapsed lung(s)

D. A foreign object passing through the epiglottis into the trachea and bronchial tree

D. A foreign object passing through the epiglottis into the trachea and bronchial tree

What is atelectasis?

A. Inflammation of the lung causing fluid accumulation

B. A foreign object entering the trachea and bronchial tree

C. A full or partial collapse of the lung

D. Difficulty emptying the lungs of air

C. A full or partial collapse of the lung

What is bronchitis?

A. Excessive mucus secretion by the bronchi, causing cough and shortness of breath

B. Accumulation of excess fluid within the pleural cavity, causing restricted lung expansion

C. Loss of alveolar elasticity, causing enlarged air spaces and reduced lung recoil

D. Inflammation of lung tissue, causing fluid accumulation within the affected lung

A. Excessive mucus secretion by the bronchi, causing cough and shortness of breath

What is COPD (Chronic Obstructive Pulmonary Disease)?

A. Difficulty emptying the lungs of air

B. A full or partial collapse of the lung

C. Excessive mucus secreted by the bronchi, causing cough and SOB

D. A collection of fluid within the pleural cavity

A. Difficulty emptying the lungs of air

What is emphysema?

A. Excessive mucus secreted by the bronchi, causing cough and SOB

B. Alveoli lose elasticity and become enlarged

C. Lung inflammation causing an accumulation of fluid

D. A foreign object entering the trachea and bronchial tree

B. Alveoli lose elasticity and become enlarged