1|Page
MRSO MOCK EXAM 2024 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED RATIONALES ANSWERS BY
EXPERTS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+ |NEWEST |LATEST UPDATE |
GUARANTEED PASS
The transmission of radiofrequency waves will cause what?
A. Peripheral nerve stimulation
B. Patient heating
C. Magnetohydrodynamic effect
D. Vertigo
B. Patient heating
Unsafe electrical devices in patients should be restricted from which of the following?
A. Entering Zone 2
B. Entering Zone 1
C. Crossing the 5-gauss line
D. Crossing the 10-gauss line
C. Crossing the 5-gauss line
Which of the following is used to measure patient heating?
A. Patient heating ratio
B. Specific energy resonance
C. Set absorption ratio
D. Specific absorption rate
D. Specific Absorption Rate
What type of MRI unit uses many bricks of magnets to produce a strong static field?
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A. All of choices
B. Resistive magnet
C. Permanent Magnet
D. Superconducting magnet
C. Permanent Magnet
Which of the following are units of measurements for static magnetic fields?
A. Decibels
B. Tesla
C. Gauss
D. Tesla and Gauss
D. Tesla and Gauss
When does resonance occur?
A. When the patient is placed in isocenter and only experiences the static magnetic field
B. When the radiofrequencies transmitted match the precessional speed of hydrogen.
C. When the radiofrequencies are different than the precessional speed of hydrogen.
D. When the radiofrequency is transmitted at 42.6 MHz
B. When the radiofrequencies transmitted match the precessional speed of hydrogen.
An object that produces a weak repulsive force in presence of a strong magnetic field is called what?
A. Diamagnetic
B. Paramagnetic
C. Superparamagnetic
D. Ferromagnetic
A. Diamagnetic
What does the image of MR with a red circle and slash through it represent?
A. MR Unsafe
B. MR Conditional
C. MR Safe
D. MR Compatible
A. MR Unsafe
Where is Cryogen found?
A. In the MR unit
B. In zone 3
C. In the equipment room
D. In the quench vent
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A. In the MR Unit
Normal kidneys should excrete all gadolinium contrast from a patient how quickly?
A. 48 hours
B. 24 hours
C. 6 hours
D. 12 hours
B. 24 hours
The noise hear in MRI is caused by which of the following?
A. Lorentz Force
B. The antenna effect
C. Larmor force
D. Ohms Force
A. Lorentz Force
The speed that it takes a gradient coil to reach maximum strength is called what?
A. Slew rate
B. Rise time
C. Spatial gradient
D. Maximum gradient peak
B. Rise Time
What is the purpose of a cryogen?
A. To reduce the overall noise produced during acquisition
B. To reduce the heating produced in the MRI unit during each acquisition.
C. To eliminate the resistance of electrical current in the coils of wire that produce the static magnetic
field
D. To allow the MRI unit to function at the fast speeds necessary to achieve an MRI image.
C. To eliminate the resistance of electrical current in the coils of wire that produce the static magnetic
field
How loud are noised restricted to in MRI when considering the A- weighting?
A. 69 decibels
B. 99 decibels
C. 120 decibels
D. 40 decibels
B. 99 decibels
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Which of the following are not recommended by the ACR guidance document in MR safety 2013 in
proper scanning of a patient?
A. Metal detector
B. Patient Gown
C. Written screening sheet
D. Ferromagnetic detection system
A. Metal detector
What type of MRI unit uses a coil of a wire with a current running through it and a cryogen to produce a
strong magnetic field?
A. Resistive magnet
B. All of the choices
C. Permanent Magnet
D. Superconducting Magnet
D. Superconducting Magnet
Contrast media will do what to tissue?
A. Increase T2 relaxation times and decrease T1 relaxation times.
B. Shorten T1 relaxation times
C. Shorten T2 relaxation times
D. Shorten T1 and T2 relaxation times
D. Shorten T1 and T2 relaxation times
Where are the gradient coils found?
A. In zone 3
B. Under the patient
C. Surrounding the patient
D. At the control panel on the MR unit
C. Surrounding the patient
The process of releasing cryogen from the MR unit is called?
A. Valve opening
B. Quench
C. Depressurization
D. Release
B. Quench
The allowable maximum strength of the gradient coils is called what?
MRSO MOCK EXAM 2024 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED RATIONALES ANSWERS BY
EXPERTS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+ |NEWEST |LATEST UPDATE |
GUARANTEED PASS
The transmission of radiofrequency waves will cause what?
A. Peripheral nerve stimulation
B. Patient heating
C. Magnetohydrodynamic effect
D. Vertigo
B. Patient heating
Unsafe electrical devices in patients should be restricted from which of the following?
A. Entering Zone 2
B. Entering Zone 1
C. Crossing the 5-gauss line
D. Crossing the 10-gauss line
C. Crossing the 5-gauss line
Which of the following is used to measure patient heating?
A. Patient heating ratio
B. Specific energy resonance
C. Set absorption ratio
D. Specific absorption rate
D. Specific Absorption Rate
What type of MRI unit uses many bricks of magnets to produce a strong static field?
,2|Page
A. All of choices
B. Resistive magnet
C. Permanent Magnet
D. Superconducting magnet
C. Permanent Magnet
Which of the following are units of measurements for static magnetic fields?
A. Decibels
B. Tesla
C. Gauss
D. Tesla and Gauss
D. Tesla and Gauss
When does resonance occur?
A. When the patient is placed in isocenter and only experiences the static magnetic field
B. When the radiofrequencies transmitted match the precessional speed of hydrogen.
C. When the radiofrequencies are different than the precessional speed of hydrogen.
D. When the radiofrequency is transmitted at 42.6 MHz
B. When the radiofrequencies transmitted match the precessional speed of hydrogen.
An object that produces a weak repulsive force in presence of a strong magnetic field is called what?
A. Diamagnetic
B. Paramagnetic
C. Superparamagnetic
D. Ferromagnetic
A. Diamagnetic
What does the image of MR with a red circle and slash through it represent?
A. MR Unsafe
B. MR Conditional
C. MR Safe
D. MR Compatible
A. MR Unsafe
Where is Cryogen found?
A. In the MR unit
B. In zone 3
C. In the equipment room
D. In the quench vent
,3|Page
A. In the MR Unit
Normal kidneys should excrete all gadolinium contrast from a patient how quickly?
A. 48 hours
B. 24 hours
C. 6 hours
D. 12 hours
B. 24 hours
The noise hear in MRI is caused by which of the following?
A. Lorentz Force
B. The antenna effect
C. Larmor force
D. Ohms Force
A. Lorentz Force
The speed that it takes a gradient coil to reach maximum strength is called what?
A. Slew rate
B. Rise time
C. Spatial gradient
D. Maximum gradient peak
B. Rise Time
What is the purpose of a cryogen?
A. To reduce the overall noise produced during acquisition
B. To reduce the heating produced in the MRI unit during each acquisition.
C. To eliminate the resistance of electrical current in the coils of wire that produce the static magnetic
field
D. To allow the MRI unit to function at the fast speeds necessary to achieve an MRI image.
C. To eliminate the resistance of electrical current in the coils of wire that produce the static magnetic
field
How loud are noised restricted to in MRI when considering the A- weighting?
A. 69 decibels
B. 99 decibels
C. 120 decibels
D. 40 decibels
B. 99 decibels
, 4|Page
Which of the following are not recommended by the ACR guidance document in MR safety 2013 in
proper scanning of a patient?
A. Metal detector
B. Patient Gown
C. Written screening sheet
D. Ferromagnetic detection system
A. Metal detector
What type of MRI unit uses a coil of a wire with a current running through it and a cryogen to produce a
strong magnetic field?
A. Resistive magnet
B. All of the choices
C. Permanent Magnet
D. Superconducting Magnet
D. Superconducting Magnet
Contrast media will do what to tissue?
A. Increase T2 relaxation times and decrease T1 relaxation times.
B. Shorten T1 relaxation times
C. Shorten T2 relaxation times
D. Shorten T1 and T2 relaxation times
D. Shorten T1 and T2 relaxation times
Where are the gradient coils found?
A. In zone 3
B. Under the patient
C. Surrounding the patient
D. At the control panel on the MR unit
C. Surrounding the patient
The process of releasing cryogen from the MR unit is called?
A. Valve opening
B. Quench
C. Depressurization
D. Release
B. Quench
The allowable maximum strength of the gradient coils is called what?
