MAGNETIC RESONANCE SAFETY OFFICER (MRSO) EXAM
PREPARATION NEWEST WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS| BRAND NEW VERSION
How do magnetic flux lines travel?
A. North to South
B. South to North
C. East to West
D. West to East - CORRECT ANSWERS-A North to South
What is the difference between a shielded MR unit and an MR unit that is not shielded?
A. It will make the magnetic spatial gradient more uniform.
B. The magnetic spatial gradient is more confined to the MR unit.
C. It will cause the effects of translational force to be experienced further away from the MR unit.
D. It will push the 5 G line closer to the entrance of zone IV. - CORRECT ANSWERS-B. The
magnetic spatial gradient is more confined to the MR unit.
Which of the following will not exaggerate an artifact on an MR brain scan?
A. A brain aneurysm clip
B. ferrous foreign body in their skull
C. non-ferrous earrings. - CORRECT ANSWERS-C. non-ferrous earrings.
Which of the following can be used to reduce artifacts in the image?
A. Decrease receiver bandwidth.
B. Use a GRASS pulse sequence.
C. Decreasing the image matrix.
D. Running a PD sequence rather than a T2. - CORRECT ANSWERS-D. Running a PD sequence
rather than a T2.
Which of the following organizations help conduct research and produce regulations?
,A. IEC
B. FDA
C. ASTM
D. All of the choices. - CORRECT ANSWERS-D. All of the choices.
Which of the following are conditions that will make an object MR safe?
A. Non-metallic
B. Non-magnetic
C. Non-conductive
D. All of the choices - CORRECT ANSWERS-D. All of the choices.
Which of the following modes will limit the SAR to the head to 3.2W/kg?
A. Normal mode..
B. First Level Controlled Mode.
C. Second Level Controlled Mode.
D. Normal and First Level Controlled Mode. - CORRECT ANSWERS-D. Normal and First Level
Controlled Mode.
The Main focus of the ICNIRP in MRI is what?
A. Radiation dose.
B. Occupational dose. - CORRECT ANSWERS-B. Occupational dose.
The FDA performs research and testing.
A. True
B. False - CORRECT ANSWERS-B. False
Which of the following would most likely be considered a Level 1 MR Personnel?
A. MR Technologist
B. Radiologist
,C. Someone who has not received MR Safety training in 1 year.
D. Tech aid - CORRECT ANSWERS-D. Tech aid
We would find a patient changing into a gown in what zone?
A. Zone I
B. Zone II
C. Zone III
D. Zone IV - CORRECT ANSWERS-B. Zone II
NEMA will perform testing on materials
A. True
B. False - CORRECT ANSWERS-A. True
A herrington rod is an example of what?
A. Passive implant.
B. Active implant.
C. Both - CORRECT ANSWERS-A. Passive implant.
The greatest chance of a burn to a patient comes from which of the following?
A. Static magnetic field.
B. Time-varying gradient magnetic field.
C. Time-varying radiofrequency field. - CORRECT ANSWERS-C. Time-varying radiofrequency
field.
Which of the following can be potential safety concerns to a patient in the static magnetic field?
A. Electrically conductive materials
B. Ferrous objects
C. Magnetic objects
D. All of the choices. - CORRECT ANSWERS-D. All of the choices
, An object that retains its magnetic field when exiting the static magnetic field is call what?
A. Paramagnetic
B. Diamagnetic
C. Ferromagnetic
D. Superparamagnetic - CORRECT ANSWERS-C. Ferromagnetic
What direction is the vector of a permanent MR unit?
A. Horizontal
B. Vertical
C. Diagonal
D. Variable - CORRECT ANSWERS-B. Vertical
What separates a superconducting MR unit from a resistive MR unit?
A. Cryogen
B. Coils of wires
C. Permanent magnets
D. none of the choices - CORRECT ANSWERS-A. Cryogen
The increasing strength of magnetism as we move closer to the MR unit is called what?
A. Ferromagnetism
B. Spatial magnetic gradient field
C. Vector
D. B0 - CORRECT ANSWERS-B. Spatial magnetic gradient field
What is responsible for attracting ferrous objects into the MR unit?
A. Spatial magnetic gradient fields
B. Strong uniform magnetic fields
C. Gradient coils
PREPARATION NEWEST WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS| BRAND NEW VERSION
How do magnetic flux lines travel?
A. North to South
B. South to North
C. East to West
D. West to East - CORRECT ANSWERS-A North to South
What is the difference between a shielded MR unit and an MR unit that is not shielded?
A. It will make the magnetic spatial gradient more uniform.
B. The magnetic spatial gradient is more confined to the MR unit.
C. It will cause the effects of translational force to be experienced further away from the MR unit.
D. It will push the 5 G line closer to the entrance of zone IV. - CORRECT ANSWERS-B. The
magnetic spatial gradient is more confined to the MR unit.
Which of the following will not exaggerate an artifact on an MR brain scan?
A. A brain aneurysm clip
B. ferrous foreign body in their skull
C. non-ferrous earrings. - CORRECT ANSWERS-C. non-ferrous earrings.
Which of the following can be used to reduce artifacts in the image?
A. Decrease receiver bandwidth.
B. Use a GRASS pulse sequence.
C. Decreasing the image matrix.
D. Running a PD sequence rather than a T2. - CORRECT ANSWERS-D. Running a PD sequence
rather than a T2.
Which of the following organizations help conduct research and produce regulations?
,A. IEC
B. FDA
C. ASTM
D. All of the choices. - CORRECT ANSWERS-D. All of the choices.
Which of the following are conditions that will make an object MR safe?
A. Non-metallic
B. Non-magnetic
C. Non-conductive
D. All of the choices - CORRECT ANSWERS-D. All of the choices.
Which of the following modes will limit the SAR to the head to 3.2W/kg?
A. Normal mode..
B. First Level Controlled Mode.
C. Second Level Controlled Mode.
D. Normal and First Level Controlled Mode. - CORRECT ANSWERS-D. Normal and First Level
Controlled Mode.
The Main focus of the ICNIRP in MRI is what?
A. Radiation dose.
B. Occupational dose. - CORRECT ANSWERS-B. Occupational dose.
The FDA performs research and testing.
A. True
B. False - CORRECT ANSWERS-B. False
Which of the following would most likely be considered a Level 1 MR Personnel?
A. MR Technologist
B. Radiologist
,C. Someone who has not received MR Safety training in 1 year.
D. Tech aid - CORRECT ANSWERS-D. Tech aid
We would find a patient changing into a gown in what zone?
A. Zone I
B. Zone II
C. Zone III
D. Zone IV - CORRECT ANSWERS-B. Zone II
NEMA will perform testing on materials
A. True
B. False - CORRECT ANSWERS-A. True
A herrington rod is an example of what?
A. Passive implant.
B. Active implant.
C. Both - CORRECT ANSWERS-A. Passive implant.
The greatest chance of a burn to a patient comes from which of the following?
A. Static magnetic field.
B. Time-varying gradient magnetic field.
C. Time-varying radiofrequency field. - CORRECT ANSWERS-C. Time-varying radiofrequency
field.
Which of the following can be potential safety concerns to a patient in the static magnetic field?
A. Electrically conductive materials
B. Ferrous objects
C. Magnetic objects
D. All of the choices. - CORRECT ANSWERS-D. All of the choices
, An object that retains its magnetic field when exiting the static magnetic field is call what?
A. Paramagnetic
B. Diamagnetic
C. Ferromagnetic
D. Superparamagnetic - CORRECT ANSWERS-C. Ferromagnetic
What direction is the vector of a permanent MR unit?
A. Horizontal
B. Vertical
C. Diagonal
D. Variable - CORRECT ANSWERS-B. Vertical
What separates a superconducting MR unit from a resistive MR unit?
A. Cryogen
B. Coils of wires
C. Permanent magnets
D. none of the choices - CORRECT ANSWERS-A. Cryogen
The increasing strength of magnetism as we move closer to the MR unit is called what?
A. Ferromagnetism
B. Spatial magnetic gradient field
C. Vector
D. B0 - CORRECT ANSWERS-B. Spatial magnetic gradient field
What is responsible for attracting ferrous objects into the MR unit?
A. Spatial magnetic gradient fields
B. Strong uniform magnetic fields
C. Gradient coils
