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MRSO Prep Test Questions and Answers Test Bundle
MRSO Prep Test Questions and Answers Test Bundle
[Show more]MRSO Prep Test Questions and Answers Test Bundle
[Show more]MR Safety Officer responsibilities - The role of MRSO is often carried out by the senior 
Radiographer (in the USA this will generally be an MR technologist), but other suitably trained individuals could also fill this role. Multiple MRSOs could be appointed, provided only one is in charge at a g...
Preview 2 out of 15 pages
Add to cartMR Safety Officer responsibilities - The role of MRSO is often carried out by the senior 
Radiographer (in the USA this will generally be an MR technologist), but other suitably trained individuals could also fill this role. Multiple MRSOs could be appointed, provided only one is in charge at a g...
What pulse sequence will produce the most patient heating? 
 
A. Inverse recovery sequence 
B. Single shot fast spin echo 
C. Conventional spin echo 
D. Gradient Echo - B. Single shot fast spin echo 
 
During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is thi...
Preview 3 out of 20 pages
Add to cartWhat pulse sequence will produce the most patient heating? 
 
A. Inverse recovery sequence 
B. Single shot fast spin echo 
C. Conventional spin echo 
D. Gradient Echo - B. Single shot fast spin echo 
 
During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is thi...
Zero Boil-Off - System that reduces/eliminates the need to recharge Helium in a magnet. 
 
Quench - Quickly eliminating the magnetic field. 
 
Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. 
 
Loud Noise as Helium rushes out of Quench Vent. 
 
Can cause crack in th...
Preview 3 out of 26 pages
Add to cartZero Boil-Off - System that reduces/eliminates the need to recharge Helium in a magnet. 
 
Quench - Quickly eliminating the magnetic field. 
 
Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. 
 
Loud Noise as Helium rushes out of Quench Vent. 
 
Can cause crack in th...
The control room is found where? 
a. Zone I 
b. Zone II 
c. Zone III 
d. Zone IV - C. Zone III 
 
Which of the following describe when a non-ferrous object is repulsed by static magnetic field? 
 
a. Fourier transformation 
b. Lenz's force 
c. Ohm's law 
d. Larmor equation - b. Lenz's force...
Preview 2 out of 12 pages
Add to cartThe control room is found where? 
a. Zone I 
b. Zone II 
c. Zone III 
d. Zone IV - C. Zone III 
 
Which of the following describe when a non-ferrous object is repulsed by static magnetic field? 
 
a. Fourier transformation 
b. Lenz's force 
c. Ohm's law 
d. Larmor equation - b. Lenz's force...
What is the name of the gradient coil used to produce sagittal and coronal images? 
a. Transverse coil 
b. Golay coil 
c. Maxwell coil 
d. Receiver coil - ️️ b. Golay coil ("saddle coil") 
 
Which of the following is able to handle the most RF heating? 
 
a. elderly 
b. adult 
c. obese adult 
...
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Add to cartWhat is the name of the gradient coil used to produce sagittal and coronal images? 
a. Transverse coil 
b. Golay coil 
c. Maxwell coil 
d. Receiver coil - ️️ b. Golay coil ("saddle coil") 
 
Which of the following is able to handle the most RF heating? 
 
a. elderly 
b. adult 
c. obese adult 
...
How do magnetic flux lines travel? 
A. North to South 
B. South to North 
C. East to West 
D. West to East - A North to South 
 
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. Magneti...
Preview 3 out of 25 pages
Add to cartHow do magnetic flux lines travel? 
A. North to South 
B. South to North 
C. East to West 
D. West to East - A North to South 
 
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. Magneti...
All MR medical directors must report incidents to which of the following? 
a. FDA Medwatch Program 
b. ACR MR safety board 
c. None of the choices 
d. All of the choices - a. FDA Medwatch Program 
 
Which of the following is not true? 
a. Screening process for non-MR personnel and MR personnel sh...
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Add to cartAll MR medical directors must report incidents to which of the following? 
a. FDA Medwatch Program 
b. ACR MR safety board 
c. None of the choices 
d. All of the choices - a. FDA Medwatch Program 
 
Which of the following is not true? 
a. Screening process for non-MR personnel and MR personnel sh...
Which of the following describe when a non-ferrous object is repulsed by static magnetic field? 
 
a. Fourier transformation 
b. Lenz's force 
c. Ohm's law 
d. Larmor equation - b. Lenz's force 
 
What is the FDA SAR limit for the whole body in first level controlled operating mode? 
a. 8 W/kg...
Preview 4 out of 43 pages
Add to cartWhich of the following describe when a non-ferrous object is repulsed by static magnetic field? 
 
a. Fourier transformation 
b. Lenz's force 
c. Ohm's law 
d. Larmor equation - b. Lenz's force 
 
What is the FDA SAR limit for the whole body in first level controlled operating mode? 
a. 8 W/kg...
Slew rate - Speed at which gradient coil turns on and off 
 
Time-varying Gradient - Induced current in a patient 
 
Magnetic Flux Lines - Travel from North to South pole 
 
permanent magnet - Can not be turned off 
Very inexpensive; extremely heavy 
Approximately 0.4T 
Vertical vector 
...
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Add to cartSlew rate - Speed at which gradient coil turns on and off 
 
Time-varying Gradient - Induced current in a patient 
 
Magnetic Flux Lines - Travel from North to South pole 
 
permanent magnet - Can not be turned off 
Very inexpensive; extremely heavy 
Approximately 0.4T 
Vertical vector 
...
IEC DB/DBA limits for MRI - 140 DB 99 DBA 
 
parameters to reduce noise in MRI - -thicker slices 
-larger FOV 
-smaller matrix 
-parallel imaging 
-reducing bandwidth (increasing TE) 
-active noise reduction 
-Low SAR RF mode (increase in echo spacing)-thicker slices 
 
MRI sequence that produ...
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Add to cartIEC DB/DBA limits for MRI - 140 DB 99 DBA 
 
parameters to reduce noise in MRI - -thicker slices 
-larger FOV 
-smaller matrix 
-parallel imaging 
-reducing bandwidth (increasing TE) 
-active noise reduction 
-Low SAR RF mode (increase in echo spacing)-thicker slices 
 
MRI sequence that produ...
The quench vent in the MR room should be inspected by who? 
a. facility engineers 
b. manufacturer engineers 
c. MR tech 
d. MRMD - b. manufacturer engineers 
 
The quench vent outside the MR facility is inspected by who? 
a. facility engineers 
b. manufacture engineer 
c. MR tech 
d. MRMD - a...
Preview 3 out of 16 pages
Add to cartThe quench vent in the MR room should be inspected by who? 
a. facility engineers 
b. manufacturer engineers 
c. MR tech 
d. MRMD - b. manufacturer engineers 
 
The quench vent outside the MR facility is inspected by who? 
a. facility engineers 
b. manufacture engineer 
c. MR tech 
d. MRMD - a...
Purpose of RF (B1) field - excite hydrogen protons 
 
RF energy is absorbed by tissues - within the volume of the RF transmit coil. This is a thermogenic process. 
 
Thermogenic process - Results in production of heat. Ex: RF energy absorption 
 
MRI local and whole-body tissue heating is d...
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Add to cartPurpose of RF (B1) field - excite hydrogen protons 
 
RF energy is absorbed by tissues - within the volume of the RF transmit coil. This is a thermogenic process. 
 
Thermogenic process - Results in production of heat. Ex: RF energy absorption 
 
MRI local and whole-body tissue heating is d...
Which of the following are physiologic factors that occur from an anaphylactic reaction? Select all that apply. 
 
a. Elevated creatinine levels 
b. Vasodilation 
c. Bronchial smooth muscle contraction 
d. Increased vascular permeability - b, c, d 
 
A non-emergent quench can take approximately h...
Preview 2 out of 13 pages
Add to cartWhich of the following are physiologic factors that occur from an anaphylactic reaction? Select all that apply. 
 
a. Elevated creatinine levels 
b. Vasodilation 
c. Bronchial smooth muscle contraction 
d. Increased vascular permeability - b, c, d 
 
A non-emergent quench can take approximately h...
Static field metrics - 1T = 10,000G 
 
(0.5mT = 5G) 
 
Who published guidelines titled "Criteria for Significant Risk" that specifies what qualifies as significant risk of exposure to magnetic field associated with MRI. - FDA 
 
FDA guidelines state EXPOSURE to a static field that does not p...
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Add to cartStatic field metrics - 1T = 10,000G 
 
(0.5mT = 5G) 
 
Who published guidelines titled "Criteria for Significant Risk" that specifies what qualifies as significant risk of exposure to magnetic field associated with MRI. - FDA 
 
FDA guidelines state EXPOSURE to a static field that does not p...
What group issued the ACR white paper MRI safety? 
a. Food and drug association. 
b. OSHA 
c. EPA 
d. American college of radiology blue ribbon panel on MR safety. - d. American college of radiology blue ribbon panel on MR safety. 
 
This individual must have an in-depth understanding of the risk...
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Add to cartWhat group issued the ACR white paper MRI safety? 
a. Food and drug association. 
b. OSHA 
c. EPA 
d. American college of radiology blue ribbon panel on MR safety. - d. American college of radiology blue ribbon panel on MR safety. 
 
This individual must have an in-depth understanding of the risk...
MRSO - Emergent Situations and Patient Considerations - Module 8 Questions with 100% Correct Answers Rated A+
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Add to cartMRSO - Emergent Situations and Patient Considerations - Module 8 Questions with 100% Correct Answers Rated A+
Time Varying Magnetic Field Gradients are expressed as - dB/dt (vary in strength over time) 
 
Time Varying Magnetic Field gradients are produced by - three gradient coils inside the magnet 
 
The gradient coil is proximal to - the RF coil 
 
Maximum amplitude is expressed in - T/m or mT...
Preview 2 out of 6 pages
Add to cartTime Varying Magnetic Field Gradients are expressed as - dB/dt (vary in strength over time) 
 
Time Varying Magnetic Field gradients are produced by - three gradient coils inside the magnet 
 
The gradient coil is proximal to - the RF coil 
 
Maximum amplitude is expressed in - T/m or mT...
How do magnetic flux lines travel? 
A. North to South 
B. South to North 
C. East to West 
D. West to East - A North to South 
 
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. Magneti...
Preview 3 out of 25 pages
Add to cartHow do magnetic flux lines travel? 
A. North to South 
B. South to North 
C. East to West 
D. West to East - A North to South 
 
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. Magneti...
MR Safety Officer responsibilities - The role of MRSO is often carried out by the senior 
Radiographer (in the USA this will generally be an MR technologist), but other suitably trained individuals could also fill this role. Multiple MRSOs could be appointed, provided only one is in charge at a g...
Preview 2 out of 15 pages
Add to cartMR Safety Officer responsibilities - The role of MRSO is often carried out by the senior 
Radiographer (in the USA this will generally be an MR technologist), but other suitably trained individuals could also fill this role. Multiple MRSOs could be appointed, provided only one is in charge at a g...
Zero Boil-Off - System that reduces/eliminates the need to recharge Helium in a magnet. 
 
Quench - Quickly eliminating the magnetic field. 
 
Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. 
 
Loud Noise as Helium rushes out of Quench Vent. 
 
Can cause crack in th...
Preview 3 out of 26 pages
Add to cartZero Boil-Off - System that reduces/eliminates the need to recharge Helium in a magnet. 
 
Quench - Quickly eliminating the magnetic field. 
 
Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. 
 
Loud Noise as Helium rushes out of Quench Vent. 
 
Can cause crack in th...
physical effects of STATIC FIELDS - translation 
rotation 
lenz 
 
physical effects of TIME-VARYING FIELDS - motion 
noise 
induced currents (on object/in person) 
lenz 
translation 
rotation 
 
everything NOT MR SAFE needs to be behind... - 5 gauss line 
 
earth's magnetic fiels - 0.5 ...
Preview 2 out of 7 pages
Add to cartphysical effects of STATIC FIELDS - translation 
rotation 
lenz 
 
physical effects of TIME-VARYING FIELDS - motion 
noise 
induced currents (on object/in person) 
lenz 
translation 
rotation 
 
everything NOT MR SAFE needs to be behind... - 5 gauss line 
 
earth's magnetic fiels - 0.5 ...
What pulse sequence will produce the most patient heating? 
 
A. Inverse recovery sequence 
B. Single shot fast spin echo 
C. Conventional spin echo 
D. Gradient Echo - B. Single shot fast spin echo 
 
During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is thi...
Preview 3 out of 20 pages
Add to cartWhat pulse sequence will produce the most patient heating? 
 
A. Inverse recovery sequence 
B. Single shot fast spin echo 
C. Conventional spin echo 
D. Gradient Echo - B. Single shot fast spin echo 
 
During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is thi...
Peripheral nerve stimulation can be described by which of the following? 
 
a. Faraday's law of induction 
b. Ohm's law 
c. Lenz's law 
d. Planks Law - b. Faraday's law of induction (describes the induction of electrical current in the presence of a changing magnetic field). 
Lenz's force de...
Preview 2 out of 15 pages
Add to cartPeripheral nerve stimulation can be described by which of the following? 
 
a. Faraday's law of induction 
b. Ohm's law 
c. Lenz's law 
d. Planks Law - b. Faraday's law of induction (describes the induction of electrical current in the presence of a changing magnetic field). 
Lenz's force de...
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