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Exam (elaborations)

MRSO Mock Test 1 Questions & 100% Correct Answers

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  • MRSO

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 ...

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  • September 12, 2024
  • 44
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MRSO
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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

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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

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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

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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

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