1 | P a g e | © copyright 2024/2025 | Grade A+
MRSO Mock Test 1 Questions & 100%
Correct Answers
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
✓ ~~> 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
✓ ~~> A. Magnetohyrdodynamic Effect
When can heating occur in a wire?
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
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
✓ ~~> B. When the transmitted wavelength is half of the B0 field strength
or is a multiple of the length of that
What unit of measure is used for SAR?
A. A/1b
B. dB/dx
C. dB/dt
D. W/kg
✓ ~~> 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.
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
A. Triple
B. Double
C. Half
D. Not comparable to
✓ ~~> 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
✓ ~~> 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
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
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
✓ ~~> B. By the NRR of the headset and NRR of earplugs
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
✓ ~~> B. 4 W/kg for 6 min
Which of the following is true of Zone IV? Select all that apply.
A. Should be noted with signage
B. No unsafe implants may cross the 5-guass unless implant is researched and
analyzed for risk
C. Contain metal detectors for implant identification
Master01 | September, 2024/2025 | Latest update
MRSO Mock Test 1 Questions & 100%
Correct Answers
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
✓ ~~> 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
✓ ~~> A. Magnetohyrdodynamic Effect
When can heating occur in a wire?
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
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
✓ ~~> B. When the transmitted wavelength is half of the B0 field strength
or is a multiple of the length of that
What unit of measure is used for SAR?
A. A/1b
B. dB/dx
C. dB/dt
D. W/kg
✓ ~~> 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.
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
A. Triple
B. Double
C. Half
D. Not comparable to
✓ ~~> 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
✓ ~~> 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
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
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
✓ ~~> B. By the NRR of the headset and NRR of earplugs
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
✓ ~~> B. 4 W/kg for 6 min
Which of the following is true of Zone IV? Select all that apply.
A. Should be noted with signage
B. No unsafe implants may cross the 5-guass unless implant is researched and
analyzed for risk
C. Contain metal detectors for implant identification
Master01 | September, 2024/2025 | Latest update
