1 | P a g e | © copyright 2024/2025 | Grade A+
MRSO Questions & Questions & 100%
Correct Answers
In which ways an a patient self regulate their temperature when they
overheat?
✓ ~~> Evaporation, Radiation
Which of the following statements are true when discussing MR safety
Larger patients will heat up most
Smaller patients heat up most
Larger patients are ferromagnetic
Induction only occurs in smaller patients
✓ ~~> Larger patients will heat up the most
Which of the following personnel can enter zone 3 and 4 but can't escort and
patient into zone 4
✓ ~~> MR personnel level 1
Which of the following describes the total dose of energy that a tissue
receives during an entire exam?
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~> Specific energy dose
How many gauss are in 1 Tesla?
✓ ~~> 10,000
Where is cryogen primarily located?
✓ ~~> In the MR unit
According to the ACR Manual on MRI safety 2020, what zone is the quench
pipe located OUTSIDE a facility?
✓ ~~> Zone 3
What type of MR unit uses a coil of wire with a current running through it and
a cryogenic to help produce a strong magnetic field?
✓ ~~> Superconducting magnet
A patient begins to sneeze uncontrollably immediately after an injection of
gadolinium contrast? This could be considered what?
✓ ~~> Allergic reaction
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
According to the ACR Manual on MR safety 2020, in what zone is the MR unit
found
✓ ~~> Zone 4
Which of the following is true of non-MR personnel according to the ACR
Manual on MR safety 2020?
✓ ~~> They must pass an MR safety screening process before entering
zone 3
Which of the following will determine the amount of heating that a patient
will receive?
✓ ~~> Pulse sequence used, patients overall surface area, patient mass
After approximately _____ the magnetic field reaches zero
✓ ~~> 3-5 minutes
How much more heating does a 360 degree RF pulse have than a 180
degree RF pulse?
✓ ~~> 4 times more
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
A tester magnet should be how strong according to the ACR Manual on MR
safety 2020?
✓ ~~> Equal or greater than 1000 gauss
What is the risk of a non-ferrous pain pump?
✓ ~~> Lenz's force
Which of the following answers best describes an electrical current when
exposed to electrically conductive material?
✓ ~~> Faraday's law of induction
The gradient coils are responsible for which of the following?
✓ ~~> Noise, peripheral nerve stimulation
The T wave in the cardiac cycle represents what?
✓ ~~> Heart repolarization
How would gadolinium appear on a T1 weighted image?
✓ ~~> Bright
Master01 | September, 2024/2025 | Latest update
MRSO Questions & Questions & 100%
Correct Answers
In which ways an a patient self regulate their temperature when they
overheat?
✓ ~~> Evaporation, Radiation
Which of the following statements are true when discussing MR safety
Larger patients will heat up most
Smaller patients heat up most
Larger patients are ferromagnetic
Induction only occurs in smaller patients
✓ ~~> Larger patients will heat up the most
Which of the following personnel can enter zone 3 and 4 but can't escort and
patient into zone 4
✓ ~~> MR personnel level 1
Which of the following describes the total dose of energy that a tissue
receives during an entire exam?
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~> Specific energy dose
How many gauss are in 1 Tesla?
✓ ~~> 10,000
Where is cryogen primarily located?
✓ ~~> In the MR unit
According to the ACR Manual on MRI safety 2020, what zone is the quench
pipe located OUTSIDE a facility?
✓ ~~> Zone 3
What type of MR unit uses a coil of wire with a current running through it and
a cryogenic to help produce a strong magnetic field?
✓ ~~> Superconducting magnet
A patient begins to sneeze uncontrollably immediately after an injection of
gadolinium contrast? This could be considered what?
✓ ~~> Allergic reaction
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
According to the ACR Manual on MR safety 2020, in what zone is the MR unit
found
✓ ~~> Zone 4
Which of the following is true of non-MR personnel according to the ACR
Manual on MR safety 2020?
✓ ~~> They must pass an MR safety screening process before entering
zone 3
Which of the following will determine the amount of heating that a patient
will receive?
✓ ~~> Pulse sequence used, patients overall surface area, patient mass
After approximately _____ the magnetic field reaches zero
✓ ~~> 3-5 minutes
How much more heating does a 360 degree RF pulse have than a 180
degree RF pulse?
✓ ~~> 4 times more
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
A tester magnet should be how strong according to the ACR Manual on MR
safety 2020?
✓ ~~> Equal or greater than 1000 gauss
What is the risk of a non-ferrous pain pump?
✓ ~~> Lenz's force
Which of the following answers best describes an electrical current when
exposed to electrically conductive material?
✓ ~~> Faraday's law of induction
The gradient coils are responsible for which of the following?
✓ ~~> Noise, peripheral nerve stimulation
The T wave in the cardiac cycle represents what?
✓ ~~> Heart repolarization
How would gadolinium appear on a T1 weighted image?
✓ ~~> Bright
Master01 | September, 2024/2025 | Latest update
