CAMRT Radiographic Procedures: Body Cavities Questions and Answers 2

Question 1

What is the correct centering for an AP supine abdomen (KUB)?

Accepted Answer

Iliac crest on the midsagittal plane

Answer

Centre at the iliac crest to include diaphragm to symphysis pubis.

Question 2

What preparation is required for an upper GI series with barium?

Accepted Answer

NPO 6-8 hours and no smoking or gum chewing

Answer

Fasting ensures an empty stomach for proper barium mucosal coating.

Question 3

What must a properly positioned PA chest demonstrate?

Accepted Answer

Both lung fields, costophrenic angles, heart, mediastinum, thoracic spine, and apices free from clavicular superimposition

Answer

All thoracic structures must be demonstrated with proper positioning criteria.

Question 4

What is the purpose of the erect abdomen radiograph?

Accepted Answer

Demonstrates air-fluid levels and free air under the diaphragm

Answer

The erect view shows gravity-dependent air-fluid levels and pneumoperitoneum.

Question 5

What is the correct positioning for a lateral chest radiograph?

Accepted Answer

Arms raised or held forward, left side against detector, true lateral alignment

Answer

Left side against detector minimizes cardiac magnification, arms out of the thoracic field.

CAMRT - Canadian Association of Medical Radiation Technologists Practice Test