ARRT Patient Care 3

Question 1

During a CT-guided biopsy, the patient suddenly becomes diaphoretic and reports chest pain. The technologist should:

Accepted Answer

Call for emergency assistance and stop the procedure immediately

Answer

Complete the procedure quickly before the patient's condition worsens

Answer

Administer oral pain medication and monitor

Answer

Reduce the gantry speed and continue scanning

Question 2

Which of the following is the correct technique to confirm IV catheter placement before contrast injection?

Accepted Answer

Aspirating for blood return and flushing with saline

Answer

Injecting air to check for resistance

Answer

Performing a skin pinch test at the insertion site

Answer

Using contrast to verify position under fluoroscopy only

Question 3

A patient arrives for CT of the abdomen with a history of pheochromocytoma. What precaution is most important?

Accepted Answer

Pre-medicate with alpha-blockers before iodinated contrast injection

Answer

Avoid all oral contrast

Answer

Use gadolinium instead of iodinated contrast

Answer

Perform a non-contrast exam only without radiologist input

Question 4

What is the purpose of a 'test injection' or 'timing bolus' in CT angiography?

Accepted Answer

To determine the optimal delay time for contrast arrival in the target vessel

Answer

To check for contrast allergy before the full dose

Answer

To measure kidney function before the main injection

Answer

To warm the contrast to body temperature

Question 5

Informed consent for a CT-guided procedure is the responsibility of:

Accepted Answer

The radiologist or performing physician

Answer

The CT technologist performing the scan

Answer

The nurse who placed the IV

Answer

The scheduling coordinator

Question 6

A contrast extravasation is noted during a power injection. The first action should be:

Accepted Answer

Stop the injection immediately and assess the site

Answer

Continue the injection at a reduced flow rate

Answer

Apply a warm compress and resume the injection

Answer

Document the event and proceed with scanning

Question 7

Which patient position is used to reduce aspiration risk during oral contrast administration in a patient with dysphagia?

Accepted Answer

Upright or semi-recumbent with chin slightly tucked

Answer

Supine with head flat

Answer

Trendelenburg (head down)

Answer

Prone with head turned to the side