CAMRT - Canadian Association of Medical Radiation Technologists Radiographic Procedures: Body Cavities Questions and Answers

Question 1

A patient is sent to the imaging department for a chest x-ray to rule out a small pneumothorax on the right side.
In addition to the standard PA inspiration view, which of the following projections would be MOST beneficial to demonstrate this condition?

Accepted Answer

PA expiration

Answer

Right lateral decubitus

Answer

AP Lordotic

Answer

Left lateral decubitus

Question 2

For an AP erect abdomen radiograph, what is the recommended vertical centering point for the central ray to ensure the diaphragm is included?

Accepted Answer

Approximately 5 cm superior to the iliac crest

Answer

At the level of the iliac crest

Answer

At the level of the xiphoid process

Answer

Midway between the xiphoid process and iliac crest

Question 3

Which of the following radiographic positions is specifically designed to demonstrate a small, free-flowing pleural effusion in a patient who is unable to stand?

Accepted Answer

Lateral decubitus

Answer

AP axial lordotic

Answer

Dorsal decubitus

Answer

Ventral decubitus

Question 4

A physician orders an acute abdominal series on a patient who is too ill to stand. To assess for free intraperitoneal air, which projection best replaces the standard erect abdomen view?

Accepted Answer

Left lateral decubitus abdomen

Answer

AP supine abdomen with a 15-degree cephalic angle

Answer

Dorsal decubitus abdomen

Answer

Right lateral decubitus abdomen

Question 5

On a diagnostically acceptable PA chest radiograph, what is the minimum number of posterior ribs that should be visualized above the diaphragm to indicate adequate inspiration?

Accepted Answer

10

Answer

7

Answer

8

Answer

12

Question 6

Which of the following palpable anatomical landmarks is the most commonly used and reliable for centering a routine supine AP abdomen radiograph?

Accepted Answer

Iliac crest

Answer

Xiphoid process

Answer

Anterior Superior Iliac Spine (ASIS)

Answer

Pubic symphysis