MRSO MOCK TEST 1 (ACTUAL EXAM)
QUESTIONS WITH VERY ELABORATED
ANSWERS CORRECTRY WELL ORGANIZED
LATEST 2024 – 2025 ALREADY GRADED A+
The B1 field is found where?
A. 180 degrees to the B0
B. In the same direction as the B0
C. Varies from scan to scan
D. 90 degrees to the B0 - ANSWERS-D. 90 degrees to the B0
Emesis after a contrast reaction is considered what?
A. An allergic reaction to contrast media
B. A non- allergic reaction to contrast media
C. None of the choices
D. Anaphylaxis - ANSWERS-B. A non- allergic reaction to contrast media\
,What unit of measure is used for SAR?
A. A/1b
B. dB/dx
C. dB/dt
D. W/kg - ANSWERS-D. W/kg
The IEC 60601-2-33 whole body normal operating mode is ________________ the
energy requirements limited in the first level controlled operating mode.
A. Triple
B. Double
C. Half
D. Not comparable to - ANSWERS-C. Half
Which of the following are recommended by the ACR guidance in MR Safety 2013
in proper scanning of a patient?
A. Metal Detector
B. Ferromagnetic detection system
C. Written screening sheet
,D. Patient Gown - ANSWERS-B. Ferromagnetic detection system
C. Written screening sheet
D. Patient Gown
Using a headset and ear plugs will reduce the noise by how much?
A. By the NRR of headset
B. By the NRR of the headset and NRR of earplugs
C. 50 dB
D. By the NRR of the headset and the NRR of earplug divided by 2 - ANSWERS-B.
By the NRR of the headset and NRR of earplugs
What pulse sequence will produce the most patient heating?
A. Inverse recovery sequence
B. Single shot fast spin echo
C. Conventional spin echo
D. Gradient Echo - ANSWERS-B. Single shot fast spin echo
During acquisition, it is noticed that the T wave of the cardiac cycle is elevated.
What is this artifact called?
, A. Magnetohydrodynamic Effect
B. Excitation
C. Teratogenesis
D. Magnetophosphenes - ANSWERS-A. Magnetohyrdodynamic Effect
When can heating occur in a wire?
A. Only in ferrous object
B. When the transmitted wavelength is half of the B0 field strength or is a
multiple of the length of that
C. When objects get smaller
D. In small round metal objects - ANSWERS-B. When the transmitted wavelength
is half of the B0 field strength or is a multiple of the length of that
What is the FDA SAR limit for the whole body in first level controlled operating
mode?
A. 7 W/kg for 6 min
B. 4 W/kg for 6min
C. 3 W/kg for 6 min
D. 8 W/kg for 6 min - ANSWERS-B. 4 W/kg for 6 min
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