GXMO Patient Care and Positioning 4

Question 1

For a lateral projection of the lumbar spine, the patient's hips and knees are flexed primarily to:

Accepted Answer

Reduce the lordotic curve and bring the spine parallel to the IR

Answer

Reduce the object-to-image distance

Answer

Prevent rotation of the pelvis

Answer

Decrease the exposure area

Question 2

What is the primary purpose of asking a patient to suspend respiration on expiration during an abdominal radiograph?

Accepted Answer

To move the diaphragm superiorly and maximize visualization of abdominal contents

Answer

To reduce patient motion

Answer

To lower the heart out of the field of view

Answer

To reduce radiation dose to the lungs

Question 3

A patient with an indwelling urinary catheter is being positioned for a pelvic radiograph. The technologist should:

Accepted Answer

Keep the collection bag below bladder level and handle tubing carefully to avoid tension

Answer

Remove the catheter before positioning

Answer

Ensure the catheter bag is raised above bladder level to prevent backflow

Answer

Clamp the catheter tubing for the duration of the exam

Question 4

The Waters (parietoacanthial) projection is primarily used to demonstrate the:

Accepted Answer

Maxillary sinuses

Answer

Petrous ridges

Answer

Frontal sinuses

Answer

Ethmoid sinuses

Question 5

Which of the following is the correct sequence for handing a patient with a known latex allergy?

Accepted Answer

Notify the department in advance, use a latex-free environment, and have emergency medication available

Answer

Use latex gloves but double glove for extra protection

Answer

Schedule the patient last in the day to allow latex particles to settle

Answer

Proceed normally since latex allergy is rarely severe

Question 6

When imaging a patient who is hard of hearing, the technologist should:

Accepted Answer

Face the patient directly, speak clearly, and verify comprehension before proceeding

Answer

Speak louder than normal at all times

Answer

Use only written instructions regardless of patient preference

Answer

Assume the patient understands standard verbal commands

Question 7

For the AP axial (Towne/Grashey) projection of the skull, the central ray is angled:

Accepted Answer

30° caudad to the OML

Answer

15° cephalad to the orbitomeatal line (OML)

Answer

0° perpendicular to the IR

Answer

25° cephalad to the infraorbitomeatal line