Exam (elaborations)
MRSO EXAM PREP QUESTIONS AND ANSWERS
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MRSO EXAM PREP QUESTIONS AND ANSWERS
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Name: Score:144 Multiple choice questions
Term 1 of 144
Nerve Stimulation threshold is smallest for what type of tissues?
Brainstem
Sensory nerves
Peripheral nerves
Spinal cord
Term 2 of 144
Who is responsible for the safe execution
of an MRI procedure?
The mri technician in charge of the machine
The hospital's safety officer
It's the radiologist / MR Medical Director
The patient undergoing the mri procedure
Term 3 of 144
Quench vent pipes should be inspected:
quarterly
yearly
annually
monthly
,Term 4 of 144
American Board of Magnetic Resonance Safety ABMRS provides MR Safety Credentialing for:
implanted cardiac pacemakers
implantable cardioverter/defibrillators
MR Medical Director (MRMD)
MR Safety Officers (MRSO)
MR Safety Experts (MRSE)
Documentation that the clip is MR Safe or MR Conditional
identical, but with less clinical information for support person.
Term 5 of 144
SAR Limit for whole body in Normal Mode
3.2 w/kg
100 g/cm
2 w/kg
4 w/kg
Term 6 of 144
The FDA decible (db) limit for MRI is
99 db
109 db
140 db
100 db
,Term 7 of 144
Transmit / Receive coils (examples)
Quadrature head coil / Quad CP Extremity coil
Single loop coil / helmholtz coil
Dipole coil / helmholtz array
Circular coil / rectangular coil
Term 8 of 144
How should MR staff dress?
False
Don't. - independent
Ferromagnetic free
True
Term 9 of 144
Any area 5 gauss or higher is zone ________ and must have _________ access
3 - open access
5 - supervised access
4 - restricted access
2 - public access
Term 10 of 144
Immediately remove the patient and anyone else in the room in the event of a ______
quench
patient
magnetic field fluctuation
equipment malfunction
, Term 11 of 144
Never scan a tx/rx coil with
flex coil
head coil
shim coil
body coil
Term 12 of 144
Personnel Designation
Level 1:
Those who have passed minimal safety
educational efforts to ensure their own safety
as they work within Zone III
It's the radiologist / MR Medical Director
power
any individual or group who has not within the previous 12 months undergone the
designated
formal training in MR safety issues defined by
the MR safety director of that installation.
Term 13 of 144
How do you screen a patient if they're unsure if they have aneurysm clips?
1. the information requested from the mr study cannot be acquired by non-ionizing
means (ultrasonography)
2. the date is needed to potentially affect the care of either the patient or the fetus
during the pregnancy
3. the referring physician feels it is not prudent to wait until the patient is no longer
pregnant to obtain this data.
Prior CT's, X-rays, MRI images.
All removable objects removed, change into mri provided attire.
Screened properly.
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