1 | P a g e | © copyright 2024/2025 | Grade A+
MRSO: Exam 3 Questions & 100% Correct
Answers
Which of the following are physiologic factors that occur from an
anaphylactic reaction? Select all that apply.
a. Elevated creatinine levels
b. Vasodilation
c. Bronchial smooth muscle contraction
d. Increased vascular permeability
✓ ~~> b, c, d
A non-emergent quench can take approximately how long?
a. 1 minute
b. 20 seconds
c. 5-15 mins
d. 2- 4 mins
✓ ~~> c. 5-15 mins
An emergent quench will take approximately 1 minute.
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
The roaring sound heard during a quench is caused by what?
a. The sound of the ignition of the coils of wire used to heat the cryogen
b. The massive volume of helium boiling off through the quench vent
c. If a loud noise is heard, something is going wrong and you should
evacuate.
d. The sound of the system shutting down.
✓ ~~> b. The massive volume of helium boiling off through the quench
vent
Which of the following will reduce the risk of patient burning in a pacing wire?
a. Place pacing wire outside RF field
b. Advance patient into scanner head first
c. Don't scan patient
d. Place an ice pack on patient's chest
✓ ~~> a. Place pacing wire outside RF field
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
A patient has removed a vagus stimulator with the leads left in, and is having
a MR knee performed with the transmit-receive coil. In terms of patient
heating, is it safe to scan?
a. No
b. Yes, only with heat sink
c. Yes
d. Yes, only if that patient is less than 200lb.
✓ ~~> c. Yes
Heating can only occur in areas where RF energy is exposed to. If the implant
is not exposed to RF energy, heating will not occur.
Which of the following are NOT true?
a. Screening process for non-MR personnel and MR personnel should be the
same
b. Unscreened patients should not enter Zone III
c. Screening process for non-MR personnel and MR personnel should be
different.
d. Zone IV is the responsibility of Level 2 personnel
Master01 | September, 2024/2025 | Latest update
MRSO: Exam 3 Questions & 100% Correct
Answers
Which of the following are physiologic factors that occur from an
anaphylactic reaction? Select all that apply.
a. Elevated creatinine levels
b. Vasodilation
c. Bronchial smooth muscle contraction
d. Increased vascular permeability
✓ ~~> b, c, d
A non-emergent quench can take approximately how long?
a. 1 minute
b. 20 seconds
c. 5-15 mins
d. 2- 4 mins
✓ ~~> c. 5-15 mins
An emergent quench will take approximately 1 minute.
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
The roaring sound heard during a quench is caused by what?
a. The sound of the ignition of the coils of wire used to heat the cryogen
b. The massive volume of helium boiling off through the quench vent
c. If a loud noise is heard, something is going wrong and you should
evacuate.
d. The sound of the system shutting down.
✓ ~~> b. The massive volume of helium boiling off through the quench
vent
Which of the following will reduce the risk of patient burning in a pacing wire?
a. Place pacing wire outside RF field
b. Advance patient into scanner head first
c. Don't scan patient
d. Place an ice pack on patient's chest
✓ ~~> a. Place pacing wire outside RF field
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
A patient has removed a vagus stimulator with the leads left in, and is having
a MR knee performed with the transmit-receive coil. In terms of patient
heating, is it safe to scan?
a. No
b. Yes, only with heat sink
c. Yes
d. Yes, only if that patient is less than 200lb.
✓ ~~> c. Yes
Heating can only occur in areas where RF energy is exposed to. If the implant
is not exposed to RF energy, heating will not occur.
Which of the following are NOT true?
a. Screening process for non-MR personnel and MR personnel should be the
same
b. Unscreened patients should not enter Zone III
c. Screening process for non-MR personnel and MR personnel should be
different.
d. Zone IV is the responsibility of Level 2 personnel
Master01 | September, 2024/2025 | Latest update
