BIO MRO Past Exam QUESTIONS AND

BIO MRO Past Exam QUESTIONS AND ANSWERS 100% score (reupdated 2025)

• In a typical situation where datais being acquired, the

technologist can expect a longer scan time with which of the

following:

• Fewer number of signal averages
• Shallower phase encoding slope
• Longer time to repetition (TR)
• Shorter time to echo (TE) - Correct Answers ✅C. Longer

time to repetition (TR)

• As a technologist, you are aware of the fact that MRI

systems map signal frequencies based on the precessional frequency of water. The body also contains fat, and these spins may be mapped incorrectly. What physical mechanism is responsible for causing this artefact?

• Signal frequencies from fat require more memory in K-

space (You Answered Incorrectly)

• Fat typically yields less signal than does water
• Receiver coils cannot typically be placed near fatty tissue
• The precessional frequency of fat differs from that of water
• Correct Answers ✅wrong
• A patient is scheduled for an MRI of the liver. Since the

liver abuts the diaphragm, what sort of artefact should the technologist be on the lookout for? 1 / 2

BIO MRO Past Exam QUESTIONS AND ANSWERS 100% score (reupdated 2025)

• Entry slice phenomenon
• Zipper artefact (You Answered Incorrectly)
• Phase mismapping or ghosting
• Phase wrapping or aliasing - Correct Answers ✅C.

Phase mismapping or ghosting

• A pregnant patient is scheduled for MRI with gadolinium

contrast. Which of the following would be an appropriate action of the part of the technologist? - Correct Answers ✅D. Verify the use of gadolinium with the MD before the scan

• The technologist must be aware that the predominant

biological effect of RF irradiation absorption from transmit

coils is heating of tissues. This effect is largely due to the:

• Manufacturer of the magnet and the coil system (You

Answered Incorrectly)

• Excitation frequency used during scans
• Presence of ferromagnetic materials in the room
• Amount of gadolinium used during each scan - Correct

Answers ✅wrong

• - Correct Answers ✅A.
• / 2