rad ana

c

Which structure serves as the passageway for the spinal cord as it exits the skull?

A. Jugular foramen

B. Foramen ovale

C. Foramen magnum

D. Carotid canal

b

How many bones compose the adult human skeleton?

A. 200

B. 206

C. 212

D. 214

d

Which facial bone is movable?

A. Maxilla

B. Zygomatic

C. Vomer

D. Mandible

c

Which bone is commonly known as the cheekbone?

A. Maxilla

B. Lacrimal

C. Zygomatic

D. Nasal

b

The largest immovable bone of the face is the:A. Mandible

B. Maxilla

C. Vomer

D. Frontal bone

b

The pituitary gland is housed within the:

A. Crista galli

B. Sella turcica

C. Foramen magnum

D. Petrous ridge

b

The “rooster’s comb” projection of the ethmoid bone is called the:

A. Cribriform plate

B. Crista galli

C. Perpendicular plate

D. Hamulus

d

Which cranial suture separates the two parietal bones?

A. Coronal

B. Squamosal

C. Lambdoid

D. Sagittal

b

The coronal suture separates the:

A. Temporal and parietal bones

B. Frontal and parietal bones

C. Occipital and parietal bones

D. Temporal and occipital bones

c

The weakest region of the skull is the:

A. Lambda

B. Bregma

C. Pterion

D. Asterion

d

The largest sinus is the:

A. Ethmoid sinus

B. Frontal sinus

C. Sphenoid sinus

D. Maxillary sinus

b

Which bone does not articulate with any other bone?

A. Vomer

B. Hyoid

C. Mandible

D. Ethmoid

c

The radius is located on the __ side of the forearm.

A. Medial

B. Ulnar

C. Thumb

D. Posterior

d

The ulna is located on the __ side of the forearm.

A. Thumb

B. Lateral

C. Radial

D. Little finger

c

Which carpal bone is most frequently fractured?

A. Lunate

B. Pisiform

C. Scaphoid

D. Hamate

c

The largest carpal bone is the:

A. Hamate

B. Scaphoid

C. Capitate

D. Trapezium

b

Which carpal bone contains a hook-like projection?

A. Pisiform

B. Hamate

C. Lunate

D. Trapezoid

c

The trochlea of the humerus articulates with the:

A. Radius

B. Scaphoid

C. Ulna

D. Capitulum

a

The capitulum articulates with the:

A. Radius

B. Ulna

C. Scapula

D. Clavicle

c

The glenoid cavity is found on the:

A. Humerus

B. Clavicle

C. Scapula

D. Radius

c

Which bone is considered the largest sesamoid bone in the body?

A. Talus

B. Calcaneus

C. Patella

D. Cuboid

d

The largest and strongest bone of the foot is the:

A. Talus

B. Navicular

C. Cuboid

D. Calcaneus

a

The ankle bone is the:

A. Talus

B. Cuboid

C. Navicular

D. Calcaneus

a

The point of fusion of the ilium, ischium, and pubis is called the:

A. Acetabulum

B. Obturator foramen

C. Ischial spine

D. Iliac crest

b

The largest foramen in the skeletal system is the:

A. Foramen magnum

B. Obturator foramen

C. Jugular foramen

D. Infraorbital foramen

c

Which pelvic structure bears most of the body’s weight when a person is seated?

A. Acetabulum

B. Iliac crest

C. Ischial tuberosity

D. Pubic symphysis

c

The superior border of the ilium is called the:

A. ASIS

B. PSIS

C. Iliac crest

D. Acetabulum

c

The articulation between the head of the femur and the acetabulum forms the:

A. Sacroiliac joint

B. Pubic symphysis

C. Hip joint

D. Obturator joint

b

How many cervical vertebrae are present in the vertebral column?

A. 5

B. 7

C. 12

D. 14

c

Which vertebral curvature is classified as a primary curvature?

A. Cervical

B. Lumbar

C. Thoracic

D. Cervical and Lumbar

c

An exaggerated lateral curvature of the vertebral column is called:

A. Kyphosis

B. Lordosis

C. Scoliosis

D. Spondylosis

b

The outer fibrous portion of an intervertebral disc is known as the:

A. Nucleus pulposus

B. Annulus fibrosus

C. Lamina

D. Pedicle

c

The gelatinous central portion of the intervertebral disc is the:

A. Annulus fibrosus

B. Costal facet

C. Nucleus pulposus

D. Zygapophysis

b

A herniated intervertebral disc usually involves protrusion of the:

A. Lamina

B. Nucleus pulposus

C. Spinous process

D. Pedicle

c

The study of joints and articulations is called:

A. Osteology

B. Myology

C. Arthrology

D. Neurology

c

A freely movable joint is classified functionally as:

A. Synarthrosis

B. Amphiarthrosis

C. Diarthrosis

D. Syndesmosis

b

The atlantoaxial joint between C1 and C2 is classified as a:

A. Hinge joint

B. Pivot joint

C. Saddle joint

D. Ball-and-socket joint

d

Which joint type allows the greatest range of motion?

A. Hinge

B. Saddle

C. Pivot

D. Ball-and-socket

c

The shoulder joint is an example of a:

A. Saddle joint

B. Pivot joint

C. Ball-and-socket joint

D. Plane joint

c

The carpometacarpal joint of the thumb is classified as a:

A. Pivot joint

B. Hinge joint

C. Saddle joint

D. Plane joint

c

The plane connecting the infraorbital margin and the superior margin of the EAM is the:

A. MSP

B. OML

C. Frankfort Horizontal Plane

D. AML

b

A patient lying on the back is in which position?

A. Prone

B. Dorsal recumbent

C. Sims

D. Ventral recumbent

a

A patient lying face down is in the:

A. Prone position

B. Sims position

C. Fowler’s position

D. Lithotomy position

c

In the Trendelenburg position, the:

A. Head is elevated above the feet

B. Body is upright

C. Feet are elevated above the head

D. Patient lies prone

b

The position commonly used for barium enema tube insertion is:

A. Fowler’s

B. Modified Sims

C. Lithotomy

D. Trendelenburg

b

The uppermost portion of the thoracic cavity located between the neck and abdomen is

called the:

A. Mediastinum

B. Thorax

C. Pleura

D. Diaphragm

c

Which part of the sternum is the largest?

A. Manubrium

B. Xiphoid process

C. Body

D. Jugular notch

c

The vertebra prominens corresponds to:

A. C5

B. C6

C. C7

D. T1

c

The jugular notch is also known as the:

A. Sternal angle

B. Xiphoid notch

C. Suprasternal notch

D. Costal notch

d

Which of the following is NOT one of the four major divisions of the respiratory system

discussed in radiographic anatomy?

A. Pharynx

B. Trachea

C. Bronchi

D. Esophagus

b

The uvula serves as the landmark separating the:

A. Oropharynx and laryngopharynx

B. Nasopharynx and oropharynx

C. Oral cavity and larynx

D. Trachea and esophagus

c

Which structure prevents food from entering the respiratory tract during swallowing?

A. Uvula

B. Glottis

C. Epiglottis

D. Thyroid cartilage

b

The common passageway for both food and air is the:

A. Nasopharynx only

B. Oropharynx and laryngopharynx

C. Larynx only

D. Trachea

c

The “voice box” is another term for the:

A. Pharynx

B. Bronchus

C. Larynx

D. Trachea

c

The larynx extends approximately from:

A. C1–C3

B. C2–C4

C. C4–C6

D. C7–T1

c

Which cartilage forms the Adam’s apple?

A. Cricoid cartilage

B. Arytenoid cartilage

C. Thyroid cartilage

D. Epiglottis

d

The largest cartilage of the larynx is the:

A. Epiglottis

B. Arytenoid

C. Cricoid

D. Thyroid cartilage

b

Which cartilage forms a complete ring around the airway?

A. Thyroid cartilage

B. Cricoid cartilage

C. Arytenoid cartilage

D. Epiglottis

c

The space between the true vocal cords is called the:

A. Epiglottis

B. Carina

C. Glottis

D. Hilum

b

The trachea bifurcates into the main bronchi at the:

A. Hilum

B. Carina

C. Glottis

D. Apex

b

Which main bronchus is more commonly associated with aspiration of foreign bodies?

A. Left bronchus

B. Right bronchus

C. Both equally

D. Secondary bronchi

c

Compared with the right bronchus, the left bronchus is:

A. Wider and shorter

B. Wider and longer

C. Narrower and longer

D. More vertical

c

How many lobes are present in the right lung?

A. 1

B. 2

C. 3

D. 4

b

How many lobes are present in the left lung?

A. 1

B. 2

C. 3

D. 4

c

The lingula is located in the:

A. Right upper lobe

B. Right middle lobe

C. Left upper lobe

D. Left lower lobe

b

The indentation in the left lung that accommodates the heart is called the:

A. Costophrenic angle

B. Cardiac notch

C. Hilum

D. Carina

c

The root region of the lung through which vessels and bronchi enter and leave is the:

A. Apex

B. Base

C. Hilum

D. Mediastinum

c

Air within the pleural cavity is termed:

A. Pleural effusion

B. Atelectasis

C. Pneumothorax

D. Hemothorax

b

Fluid accumulation within the pleural cavity is known as:

A. Pneumothorax

B. Pleural effusion

C. Atelectasis

D. Emphysema

c

The dome-shaped muscle primarily responsible for respiration is the:

A. Intercostal muscle

B. Sternocleidomastoid

C. Diaphragm

D. Pectoralis major

c

During inspiration, the diaphragm:

A. Moves upward

B. Remains stationary

C. Moves downward

D. Rotates laterally

c

The uppermost portion of the lungs extending above the clavicles is called the:

A. Hilum

B. Base

C. Apex

D. Root

b

The extreme lateral recess where the diaphragm meets the ribs is the:

A. Cardiac notch

B. Costophrenic angle

C. Hilum

D. Carina

d

Which structure is NOT located within the mediastinum?

A. Heart

B. Trachea

C. Esophagus

D. Lung apex

c

A chest radiograph is considered inadequate if it excludes the:

A. Heart shadow only

B. Mediastinum only

C. Apices and costophrenic angles

D. Trachea only

b

Which of the following structures is located at approximately the level of C5 and serves as

an important radiographic landmark?

A. Cricoid cartilage

B. Thyroid cartilage

C. Epiglottis

D. Carina

c

The thyroid gland is located:

A. Posterior to the trachea

B. Inferior to the diaphragm

C. Anterior to the proximal trachea

D. Inside the mediastinum only

b

Which gland is considered highly radiosensitive?

A. Adrenal gland

B. Thyroid gland

C. Pancreas

D. Pituitary gland

c

The parathyroid glands are found:

A. Inside the larynx

B. Within the thymus

C. On the posterior surface of the thyroid gland

D. Inside the trachea

c

Which structure stores and secretes thyroid hormones?

A. Parathyroid gland

B. Pituitary gland

C. Thyroid gland

D. Thymus

c

The thymus is most prominent during:

A. Old age

B. Adulthood

C. Infancy and childhood

D. Pregnancy

a

Which of the following structures belongs to the immune system?

A. Thymus

B. Carina

C. Bronchus

D. Hilum

d

The largest artery in the human body is the:

A. Pulmonary artery

B. Carotid artery

C. Femoral artery

D. Aorta

d

Which is NOT a part of the aorta?

A. Ascending aorta

B. Aortic arch

C. Descending aorta

D. Coronary aorta

c

The heart is enclosed within the:

A. Pleural cavity

B. Mediastinal sinus

C. Pericardial sac

D. Peritoneal cavity

a

Which structure is located posterior to the sternum and anterior to the thoracic vertebrae?

A. Heart

B. Spleen

C. Liver

D. Pancreas

b

Which abdominal organ lies posterior to the stomach?

A. Liver

B. Pancreas

C. Appendix

D. Gallbladder

b

The spleen is located:

A. Anterior to the stomach

B. Posterior to the stomach

C. Inferior to the bladder

D. Inside the pelvis

c

The membrane lining the abdominal cavity is called the:

A. Pleura

B. Pericardium

C. Peritoneum

D. Mediastinum

c

A patient with an exaggerated posterior thoracic curvature most likely has:

A. Lordosis

B. Scoliosis

C. Kyphosis

D. Ankylosis

b

A patient with an exaggerated inward lumbar curvature demonstrates:

A. Kyphosis

B. Lordosis

C. Scoliosis

D. Spina bifida

c

Which condition is characterized by a lateral curvature of the spine?

A. Lordosis

B. Kyphosis

C. Scoliosis

D. Osteoporosis

a

The articulation between ribs and thoracic vertebrae is collectively called:

A. Costal joints

B. Synchondroses

C. Gomphoses

D. Syndesmoses

c

Which type of joint is found between the interphalangeal joints of the fingers?

A. Saddle

B. Pivot

C. Hinge

D. Ball-and-socket

c

Which movement turns the sole of the foot inward?

A. Eversion

B. Valgus

C. Inversion

D. Extension

c

Which movement turns the sole of the foot outward?

A. Flexion

B. Inversion

C. Eversion

D. Adduction

b

The depression on the head of the femur where a ligament attaches is called the:

A. Acetabulum

B. Fovea capitis

C. Intercondylar notch

D. Greater trochanter

c

Which landmark is found between the greater and lesser sciatic notches?

A. ASIS

B. Iliac crest

C. Ischial spine

D. Acetabulum

b

Which pelvic landmark is at approximately the same level as the symphysis pubis?

A. Iliac crest

B. Greater trochanter

C. ASIS

D. PSIS

c

A radiograph demonstrates a foreign body lodged in the right main bronchus. The most likely explanation is that the right bronchus is:

A. Longer and narrower

B. More horizontal

C. Wider, shorter, and more vertical

D. Attached directly to the heart