MRI MRI Anatomy and Positioning

Question 1

When imaging the lumbar spine, which position best opens the intervertebral foramina and reduces lumbar lordosis for improved visualization?

Accepted Answer

Supine with legs elevated on a cushion (knees and hips flexed)

Answer

Prone with legs extended

Answer

Lateral decubitus

Answer

Prone with pillow under abdomen

Question 2

For a brain MRI, which standard plane best demonstrates the corpus callosum in its entirety?

Accepted Answer

Sagittal

Answer

Axial

Answer

Coronal

Answer

Oblique

Question 3

Which anatomical landmark is used to prescribe the standard axial plane for brain MRI?

Accepted Answer

Anterior commissure–posterior commissure (AC-PC) line

Answer

Frankfurt plane

Answer

Hard palate line

Answer

Orbitomeatal baseline

Question 4

What is the preferred patient position and coil for imaging the rotator cuff of the shoulder?

Accepted Answer

Supine, arm at side in neutral rotation, dedicated shoulder coil

Answer

Prone, body coil

Answer

Supine, arm abducted 90°, flex coil

Answer

Sitting upright, surface coil

Question 5

On a coronal MRI of the knee, which structure appears as a low-signal C-shaped band along the tibial plateau?

Accepted Answer

Medial meniscus

Answer

Anterior cruciate ligament

Answer

Posterior cruciate ligament

Answer

Iliotibial band

Question 6

For MRI of the internal auditory canals (IACs), which imaging plane is most commonly used as the primary plane?

Accepted Answer

Axial

Answer

Sagittal oblique

Answer

Coronal

Answer

Oblique coronal