MRI MRI Patient Care and Positioning

Question 1

Which coil type provides the best signal-to-noise ratio (SNR) for a specific small anatomy because it is placed closest to the structure?

Accepted Answer

Surface coil

Answer

Body coil

Answer

Head coil

Answer

Volume coil

Question 2

When positioning a patient for a lumbar spine MRI, the technologist should place the patient in which position to reduce lumbar lordosis and improve image quality?

Accepted Answer

Supine with knees flexed and supported by a foam wedge

Answer

Prone with legs flat

Answer

Lateral decubitus position

Answer

Seated upright

Question 3

A patient is claustrophobic and anxious before their MRI. Which non-pharmacological intervention is most appropriate first?

Accepted Answer

Explain the procedure, offer a patient communication system, and consider feet-first entry

Answer

Refuse the exam and reschedule

Answer

Immediately administer IV sedation

Answer

Use a stronger magnetic field to shorten scan time

Question 4

IV line tubing and monitoring cables used inside the MRI suite must be:

Accepted Answer

MR-conditional equipment specifically rated for use in the magnetic field

Answer

Standard clinical-grade equipment from any hospital supply

Answer

Removed prior to scanning and replaced after

Answer

Made of stainless steel only

Question 5

For MRI of the shoulder, the patient should be positioned with the arm in which orientation to best center the glenohumeral joint?

Accepted Answer

Arm at the side in neutral or slight external rotation, shoulder centered in the coil

Answer

Arm elevated above the head

Answer

Arm crossed over the chest

Answer

Arm in full internal rotation only

Question 6

Which breathing technique is recommended for upper abdominal MRI (liver, pancreas) to minimize respiratory motion artifact?

Accepted Answer

Breath-hold acquisitions combined with respiratory-triggered sequences for longer scans

Answer

Free breathing throughout all sequences

Answer

Hyperventilation before each sequence

Answer

Continuous shallow breathing