MRSO EXAM 2 2025| BRAND NEW ACTUAL
EXAM WITH 100% VERIFIED QUESTIONS AND
CORRECT SOLUTIONS| GUARANTEED VALUE
PACK| ACE YOUR GRADES.
1. The rapid turning on & off of the gradient coil can produce which of the
following? Select all that apply.
a. Large amounts of heating
b. Peripheral nerve stimulation
c. Reactions to contrast media
d. Magnetophosphenes
e. Magnetohydrodynamic effect - correct answer - b, d
Gradient coils are not associated with heating
2. Lorentz force in MRI is responsible for which of the following?
a. Heating
b. Noise
c. Missile effect
d. All of the choices - correct answer -
3. A ligand that attaches a gad ion in a chain-like molecule is called what?
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a. Captured
b. Polarized
c. Macrocyclic
d. Linear - correct answer - d. Linear
4. A macrocytic agent refers to a gad ion that is what?
a. Small
b. Polarized
c. Caged in
d. Attached in a linear chain - correct answer - c. Caged in
5. Which of the following will increase patient heating?
a. Increasing the echo train length
b. Decreasing the TE
c. Decreasing the flip angle
d. Increasing the TR - correct answer - a. Increasing the echo train
length (will add more 180 degree refocusing pulses to our spin echo
sequence within each TR.)
6. The NRR is a unit of measurement used to measure what?
a. Potential of heating
b. Peripheral nerve stimulation
c. Translational force
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d. Function of hearing protection - correct answer - d. Function of
hearing protection.
(Common range NRR 25 dB to 33 dB)
7. Which of the following mechanisms of patient burning is associated with
the antenna effect?
a. Resonant circuitry
b. Ferrous induction
c. Proximity burning
d. Far field - correct answer - a. Resonant circuitry
8. Which of the following are mechanisms of patient burning in MRI due to
the RF transmitter? Select all that apply.
a. Resonant circuitry
b. Micro Metal effect
c. Electrical conductivity
d. Near field effects - correct answer - a, c, d
Near field effects will cause proximity burns. Resonant circuitry will
cause burning in insulated wires in or on a patient. This includes the
antenna effect. Electrical conductivity is caused when a coil touches a
patient.
9. What is the unit of measurement used to measure the spatial magnetic
gradient?