CAMRT Radiography Practice Exam

What is the purpose of a nephrogram?

1. To evaluate liver function

2. To identify bone fractures

3. To assess kidney condition after contrast injection

4. To visualize abdominal organs

The correct answer is: To assess kidney condition after contrast injection

The purpose of a nephrogram is to assess kidney condition after the injection of a contrast agent. A nephrogram is a radiographic image that specifically evaluates the kidneys' ability to absorb and excrete the contrast material, providing insight into their function and health. This imaging technique can help in diagnosing various kidney conditions, such as renal obstructions, tumors, or infections. The correct answer emphasizes the nephrogram’s role in renal imaging following contrast administration, which allows healthcare providers to obtain a functional view of the kidneys, rather than just a static anatomical one. This functional assessment is crucial for understanding any abnormalities or dysfunctions present in the renal system.