Page 1 of 117
MRSO EXAM AND PRACTICE EXAM NEWEST 2025
TEST BANK| COMPLETE 450 REAL EXAM QUESTIONS
AND CORRECT VERIFIED ANSWERS/ ALREADY
GRADED A+| MAGNETIC RESONANCE SAFETY
OFFICER EXAM PREP 2025/2026 (MOST RECENT!!)
What is the FDA SAR limit for the whole body in first level controlled
operating mode?
a. 8 W/kg for 15 mins
b. 4 W/kg for 15 mins
c. 3 W/kg for 10 mins
d. 7 W/kg for 20 mins - Correct Answer - b. 4 W/kg for 15 mins
Gadolinium contains what kind of magnetism?
a. Diamagnetic
b. Paramagnetic
c. Ferromagnetic
d. Super paramagnetic - Correct Answer - b. Paramagnetic
A patient is advanced in the MRI scanner very quickly and experiences a
sensation of flashing lights in their visual field. What are they
experiencing?
a. Nystagmus
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,Page 2 of 117
b. Heating
c. Magnetophosphenes
d. Magnetohydrodynamic effect - Correct Answer - c.
Magnetophosphenes
What is the name for the direction of the vector of the static magnetic
field?
a. Inverse field
b. Equilibrium
c. B0
d. B1 - Correct Answer - c. B0
An object that produces a weakly repulsive force in the presence of a
strong magnetic field is called what?
a. Superparamagnetic
b. Ferromagnetic
c. Diamagnetic
d. Paramagnetic - Correct Answer - c. Diamagnetic
What are the risks associated with translational force?
a. Missile effect
b. Proximity heating
c. Antenna effect
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,Page 3 of 117
d. Peripheral nerve stimulation - Correct Answer - a. Missile effect
Why is magnetic shielding used in an MR unit?
a. To reduce heating
b. To reduce the e-fields
c. To maintain field homogeneity
d. To limit the fringe field - Correct Answer - d. To limit the fringe field
What document has established guidelines for MRI safety that are
followed today?
a. ACR white paper MRI safety
b. HIPPA
c. FDA guidelines of MRI
d. OSHA - Correct Answer - a. ACR white paper MRI safety
Pain at the injection site when gad contrast is administered is considered
what?
a. Anaphylaxis
b. A non-allergic reaction
c. None of the choices
d. Allergic reaction - Correct Answer - b. a non-allergic reaction
Normal kidneys should excrete all gad from a patient how quickly?
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, Page 4 of 117
a. 24 hours
b. 6 hours
c. 12 hours
d. 32 hours - Correct Answer - a. 24 hours
As blood flows through a vessel, currents can be induced. The degree of
this is called?
a. Magnetophosphenes
b. Flow potential
c. Translational forces
d. Fringe field - Correct Answer - b. Flow potential
The T-wave in the cardiac cycle represents what?
a. Heart repolarization
b. Heart depolarization
c. None of the choices
d. Arrhythmia - Correct Answer - a. Heart repolarization
An object that retains a magnetic field as it is removed from a strong
magnetic field is called what?
a. Paramagnetic
b. Ferromagnetic
c. Diamagnetic
pg. 4
MRSO EXAM AND PRACTICE EXAM NEWEST 2025
TEST BANK| COMPLETE 450 REAL EXAM QUESTIONS
AND CORRECT VERIFIED ANSWERS/ ALREADY
GRADED A+| MAGNETIC RESONANCE SAFETY
OFFICER EXAM PREP 2025/2026 (MOST RECENT!!)
What is the FDA SAR limit for the whole body in first level controlled
operating mode?
a. 8 W/kg for 15 mins
b. 4 W/kg for 15 mins
c. 3 W/kg for 10 mins
d. 7 W/kg for 20 mins - Correct Answer - b. 4 W/kg for 15 mins
Gadolinium contains what kind of magnetism?
a. Diamagnetic
b. Paramagnetic
c. Ferromagnetic
d. Super paramagnetic - Correct Answer - b. Paramagnetic
A patient is advanced in the MRI scanner very quickly and experiences a
sensation of flashing lights in their visual field. What are they
experiencing?
a. Nystagmus
pg. 1
,Page 2 of 117
b. Heating
c. Magnetophosphenes
d. Magnetohydrodynamic effect - Correct Answer - c.
Magnetophosphenes
What is the name for the direction of the vector of the static magnetic
field?
a. Inverse field
b. Equilibrium
c. B0
d. B1 - Correct Answer - c. B0
An object that produces a weakly repulsive force in the presence of a
strong magnetic field is called what?
a. Superparamagnetic
b. Ferromagnetic
c. Diamagnetic
d. Paramagnetic - Correct Answer - c. Diamagnetic
What are the risks associated with translational force?
a. Missile effect
b. Proximity heating
c. Antenna effect
pg. 2
,Page 3 of 117
d. Peripheral nerve stimulation - Correct Answer - a. Missile effect
Why is magnetic shielding used in an MR unit?
a. To reduce heating
b. To reduce the e-fields
c. To maintain field homogeneity
d. To limit the fringe field - Correct Answer - d. To limit the fringe field
What document has established guidelines for MRI safety that are
followed today?
a. ACR white paper MRI safety
b. HIPPA
c. FDA guidelines of MRI
d. OSHA - Correct Answer - a. ACR white paper MRI safety
Pain at the injection site when gad contrast is administered is considered
what?
a. Anaphylaxis
b. A non-allergic reaction
c. None of the choices
d. Allergic reaction - Correct Answer - b. a non-allergic reaction
Normal kidneys should excrete all gad from a patient how quickly?
pg. 3
, Page 4 of 117
a. 24 hours
b. 6 hours
c. 12 hours
d. 32 hours - Correct Answer - a. 24 hours
As blood flows through a vessel, currents can be induced. The degree of
this is called?
a. Magnetophosphenes
b. Flow potential
c. Translational forces
d. Fringe field - Correct Answer - b. Flow potential
The T-wave in the cardiac cycle represents what?
a. Heart repolarization
b. Heart depolarization
c. None of the choices
d. Arrhythmia - Correct Answer - a. Heart repolarization
An object that retains a magnetic field as it is removed from a strong
magnetic field is called what?
a. Paramagnetic
b. Ferromagnetic
c. Diamagnetic
pg. 4
