practice questions: Misc exams - chapter 2,3,19

what is the primary purpose of performing chest lateral decub view

A. to evaluate the heart size

B. to assess for pleural effusion or pneumothorax

C. to visualize the lung apices

D. to detect rib fractures

B. to assess for pleural effusion or pneumothorax

when positioning a patient for a right lateral decub chest x-ray to evaluate pleural effusion, which side should be down

A. right

B. left

C. either

D. neither

A. right

for a left lateral deub chest x-ray assessing pneumothorax, which side should be up

A. right

B. left

C. either

D. neither

B. left

what is the minimum amount of time that a patient should remain in the decub position before imaging to detect pleural effusions

A. 1-2 mins

B. 5 mins

C. 10-20 mins

D. 30 mins

B. 5 mins

in a chest lateral decub view, where is the central ray typically directed

A. at the level of T7

B. at the level of T10

C. at the level of T5

D. at the level of T12

A. at the level of T7

the AP lordotic chest projection is primarily used to visualize which area

A. lung bases

B. lung apices

C. heart

D. diaphragm

B. lung apices

if a patient cannot assume the lordotic position, how should the central ray be angled for an AP lordotic chest projection

A. 5-10 cephalad

B. 10-15 caudad

C. 15-20 cephalad

D. 20-25 caudad

C. 15-20 cephalad

which condition might necessitate an AP lordotic chest projection

A. suspected pleural effusion

B. evaluation of pneumothorax

C. assessment of tb in the lung apices

D. investigation of diaphragmatic hernia

C. assessment of tb in the lung apices

what is the primary reason for performing a soft tissue neck radiograph

A. to assess cervical spine alignment

B. to evaluate soft tissue structures of the nasopharyx, oropharynx, and proximal trachea

C. to detect carotid artery stenosis

D. to visualize the thyroid gland

B. to evaluate soft tissue structures of the nasopharyx, oropharynx, and proximal trachea

which patient position is commonly used for a lateral soft tissue neck radiograph

A. supine

B. erect

C. prone

D. trendelenburg

B. erect

what breathing instructions should be given for a soft tissue neck radiograph

A. full inspiration

B. full expiration

C. slow, steady breathing

D. hold breath after exhaling

C. slow, steady breathing

what pathology is commonly assessed with a soft tissue neck x-ray

A. pleural effusion

B. pneumonia

C. epiglottitis

D. rib fractures

C. epiglottitis

which decub position Is most commonly used for abdominal radiography to assess for free air or fluid levels

A. right lateral decub

B. left lateral decub

C. dorsal decub

D. ventral decub

B. left lateral decub

why is the left lateral decub position preferred over the right for abdominal imaging

A. to better visualize liver

B. to prevent overlapping of stomach gas with free air

C. to minimize heart magnification

D. to assess the appendix

B. to prevent overlapping of stomach gas with free air

how long should a patient remain in the lateral decub position before imaging to allow air to rise

A. 1-2 mins

B. 5 mins

C. 10-20 mins

D. 30 mins

B. 5 mins

what is the central ray location for a left lateral decub abdominal x-ray

A. L1

B. L3

C. 2 inches above the iliac crest

D. at the umbilicus

C. 2 inches above the iliac crest

what condition is often evaluated with an abdominal decub view

A. pleural effusion

B. pneumothorax

C. ascites or pneumoperitoneum

D. hiatal hernia

C. ascites or pneumoperitoneum

what is the primary purpose of performing an upright abdomen radiograph

A. to visualize bowel gas patterns

B. to detect free air under the diaphragm

C. to evaluate kidney stones

D. to assess liver size

B. to detect free air under the diaphragm

where should the central ray be directed for an upright abdomen radiograph

A. at the level of L4

B. at the level of the umbilicus

C. 2 inches above the iliac crest

D. at the pubis symphysis

C. 2 inches above the iliac crest

how long should a patient stand upright before imaging to detect air-fluid levels

A. 1-2 minutes

B. 5 minutes

C. 10-20 minutes

D. 30 minutes

B. 5 minutes

what anatomical structures should be visible on an upright abdomen x-ray

A. lung apices

B. diaphragm and bilateral flanks

C. pelvic bones and lower ribs

D. heart and mediastinum

B. diaphragm and bilateral flanks

which of the following conditions can be diagnosed with an upright abdomen radiograph

A. pneumothorax

B. bowel obstruction

C. cervical spine fracture

D. pleural effusion

B. bowel obstruction