MRSO Final Exam Questions Comprehensive Resource
To Help You Ace 2026-2027 Exams Includes Frequently
Tested Questions With ELABORATED 100%
Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update
1. Resonance occurs when:
a. The patient is placed in isocenter and only experiences the static
magnetic field.
b. The radiofrequencies transmitted are different than the precessional
speed of hydrogen
c. The radiofrequencies transmitted match the precessional speed of
hydrogen
d. The radiofrequency is transmitted at 42.6 MHz - Correct Answer:
c. The radiofrequencies transmitted match the precessional speed of
hydrogen
2. 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
3. Why are metal detectors not recommended in MRI screening?
a. They have varied sensitivity
b. They are operator skill dependent
c. All of the choices
, d. They cannot detect small fragments well - Correct Answer: c. All
of the choices
4. 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
5. NSF is caused by what?
a. When the patient is allergic to gad contrast
b. When gad ion is excreted by the liver
c. When gad ion is excreted from the body quickly
d. When a gad ion breaks free from the ligand and remains in the body -
Correct Answer: d. When a gad ion breaks free from the ligand
and remains in the body
6. Which of the following require minimal MR safety training?
a. Level 2 MR personnel
b. Level 1 MR personnel
c. Non-MR personnel
d. Patient - Correct Answer: b. Level 1 MR personnel
7. What pulse sequence will produce the most patient heating?
a. Gradient echo
, b. Conventional spin echo
c. Inverse recovery sequence
d. Single shot fast spin echo - Correct Answer: d. Single shot fast
spin echo
8. The allowable maximum strength of the gradient coils is called?
a. Spacial gradient
b. Rise time
c. Slew rate
d. Maximum gradient peak - Correct Answer: d. Maximum gradient
peak
9. Using a headset and earplugs will reduce noise by how much?
a. 50 dB
b. By the NRR of the headset + NRR of earplugs
c. By the NRR of the headset
d. By the NRR of the headset + NRR of earplugs divided by 2 -
Correct Answer: b. By the NRR of the headset + NRR of earplugs
10.Wires and leads can produce heat because they are?
a. Magnetic
b. Diamagnetic
c. Electrically conductive
d. Reactive - Correct Answer: c. Electrically conductive
11.Time-varying gradient magnetic fields are measured in which of the
following?
a. W/kg
b. Tesla
, c. dB/dt
d. dB/dx - Correct Answer: c. dB/dt
"d"=change in
"B"=static field strength
"t"=time
Therefore this means that a change in static field strength over a change in
time.
12.Gad contrast will affect tissue when...?
a. It touches tissues
b. None of the choices
c. It is in very close proximity to tissue
d. It doesn't touch tissue - Correct Answer: c. It is in very close
proximity to tissue
13.The FDA limits SAR in the head to what?
a. 3.2 W/kg for 10 min
b. 8 W/kg for 20 min
c. 10 W/kg for 15 min
d. 4 W/kg for 15 min - Correct Answer: a. 3.2 W/kg for 10 min
14.The gradient coils are used for what in MRI?
a. Tilting nuclei in to the transverse plane
b. Spacial encoding
c. Resonance production
d. Aligning nuclei to a vector - Correct Answer: b. Spatial encoding
15.Which of the following are considered non-allergic reactions to the gad
contrast? Select all that apply.
To Help You Ace 2026-2027 Exams Includes Frequently
Tested Questions With ELABORATED 100%
Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update
1. Resonance occurs when:
a. The patient is placed in isocenter and only experiences the static
magnetic field.
b. The radiofrequencies transmitted are different than the precessional
speed of hydrogen
c. The radiofrequencies transmitted match the precessional speed of
hydrogen
d. The radiofrequency is transmitted at 42.6 MHz - Correct Answer:
c. The radiofrequencies transmitted match the precessional speed of
hydrogen
2. 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
3. Why are metal detectors not recommended in MRI screening?
a. They have varied sensitivity
b. They are operator skill dependent
c. All of the choices
, d. They cannot detect small fragments well - Correct Answer: c. All
of the choices
4. 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
5. NSF is caused by what?
a. When the patient is allergic to gad contrast
b. When gad ion is excreted by the liver
c. When gad ion is excreted from the body quickly
d. When a gad ion breaks free from the ligand and remains in the body -
Correct Answer: d. When a gad ion breaks free from the ligand
and remains in the body
6. Which of the following require minimal MR safety training?
a. Level 2 MR personnel
b. Level 1 MR personnel
c. Non-MR personnel
d. Patient - Correct Answer: b. Level 1 MR personnel
7. What pulse sequence will produce the most patient heating?
a. Gradient echo
, b. Conventional spin echo
c. Inverse recovery sequence
d. Single shot fast spin echo - Correct Answer: d. Single shot fast
spin echo
8. The allowable maximum strength of the gradient coils is called?
a. Spacial gradient
b. Rise time
c. Slew rate
d. Maximum gradient peak - Correct Answer: d. Maximum gradient
peak
9. Using a headset and earplugs will reduce noise by how much?
a. 50 dB
b. By the NRR of the headset + NRR of earplugs
c. By the NRR of the headset
d. By the NRR of the headset + NRR of earplugs divided by 2 -
Correct Answer: b. By the NRR of the headset + NRR of earplugs
10.Wires and leads can produce heat because they are?
a. Magnetic
b. Diamagnetic
c. Electrically conductive
d. Reactive - Correct Answer: c. Electrically conductive
11.Time-varying gradient magnetic fields are measured in which of the
following?
a. W/kg
b. Tesla
, c. dB/dt
d. dB/dx - Correct Answer: c. dB/dt
"d"=change in
"B"=static field strength
"t"=time
Therefore this means that a change in static field strength over a change in
time.
12.Gad contrast will affect tissue when...?
a. It touches tissues
b. None of the choices
c. It is in very close proximity to tissue
d. It doesn't touch tissue - Correct Answer: c. It is in very close
proximity to tissue
13.The FDA limits SAR in the head to what?
a. 3.2 W/kg for 10 min
b. 8 W/kg for 20 min
c. 10 W/kg for 15 min
d. 4 W/kg for 15 min - Correct Answer: a. 3.2 W/kg for 10 min
14.The gradient coils are used for what in MRI?
a. Tilting nuclei in to the transverse plane
b. Spacial encoding
c. Resonance production
d. Aligning nuclei to a vector - Correct Answer: b. Spatial encoding
15.Which of the following are considered non-allergic reactions to the gad
contrast? Select all that apply.
