Exam (elaborations)
MRSO 2 QUESTIONS AND ANSWERS
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MRSO 2 QUESTIONS AND ANSWERS
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Name: Score:100 Multiple choice questions
Term 1 of 100
Which of the following statements is true of non-MR personnel?
They must pass an MR safety screening process before entering zone IV.
They must pass an MR safety screening process before entering zone III.
They may enter zone III for any reason but cannot enter zone IV.
They must understand the MR environment.
Term 2 of 100
Energy deposition is limited to what in first level controlled operating mode?
0.5 deg Celsius
1 deg Celsius
2 deg Celsius
3 deg Celsius
Term 3 of 100
This individual must have an in-depth understanding of the risks associated with the MRI
environment?
level 1 personnel
level 2 personnel
non-MR personnel
the patient
,Term 4 of 100
What does a cryogen do to the static magnetic field?
It makes it stronger.
Maintains homogeneity.
Reduces heat produced during acquisition.
It makes it weaker.
Term 5 of 100
What is true of peripheral nerve stimulation?
It can cause discomfort to the patient.
It is always life threatening
An exam must be stopped if this occurs.
All of the choices
Term 6 of 100
A deflection of 45 degrees in a tested implant indicates that it deflects at a force equal to
what?
1 gravity force
2 gravity force
.05 gravity force
.25 gravity force
Term 7 of 100
When a T1 weighted image is performed on a vial of gadolinium contrast, how will it appear?
Bright
Dark
Gray
Blue
,Term 8 of 100
Which of the following will produce the lowest chance for peripheral nerve stimulation?
Conventional spin echo.
Gradient echo
EPI
Fast spin echo
Term 9 of 100
Which of the following will determine the amount of heating that a patient will receive?
a. Body size
b. Surface area
c. Pulse sequence used.
a. Larger patients will heat up the most.
a. Nephrogenic systemic fibrosis
c. Gadolinium associated plaques
b. Hives
c. Swelling
d. Emesis
a. Body size
b. Surface area
c. Pulse sequence used.
Term 10 of 100
Translational force is typically the strongest where?
By the control panel n the MR unit.
Isocenter
Along th table
At every 10cm from isocenter
, Term 11 of 100
_____diameter loop formed by tissue or devices with a ____diameter contact point will increase
the chance for patient burns.
Large; narrow
Narrow; large
Large; large
Narrow; narrow
Term 12 of 100
Which of the following are true?
MRI has been associated with teratogenesis
MRI can cause an increase in spontaneous abortion.
MRI promotes female offspring in working MR techs.
MRI can cause infertility.
None
Term 13 of 100
Which of the following techniques can be used t reduce the heating in a fast spin echo?
Increase the TE spacing
Reduce the TR
Increase the flip angle
Tell them to hold their breath.
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