Exam (elaborations)
MRI Safety Level II Questions with Accurate
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Exam of 3 pages for the course MRSO at MRSO (MRI Safety Level II)
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MRI Safety Level IIThree field types MRI technologists use to generate an image. - answer Static Magnetic
Field
Radiofrequency Field
Pulsed Gradient Magnetic Field
T/F: The magnetic field produced by the magnet always remains inside zone 4. -
answer False
What are the zones and each zone's intended purpose. - answer Zone I: General public
Z2: Unscreened MRI patients
Z3: Screened MRI patients & trained personnel
Z4: Screened MRI patients under constant direct supervision of trained MR personnel.
T/F: All MRI facilities must comply with Zone III access requirements? - answer False
(Older facilities built before regulations were made may not be able to comply with new
standards, but can take measures to ensure safety)
What is the main concern with regard to the main magnetic field? - answer Projectile
effect
What are the three classifications applied to all objects entering zone IV? – answer MR
Safe, MR Unsafe, & MR Conditional
T/F: MR conditional is an item which has been demonstrated to pose known hazards
under specific conditions. - answer True* (The instructional video states "no known
hazards under specific conditions", but as of Feb 2024 the quiz answer is true)
T/F: Crash carts and oxygen cylinders are safe to bring into zone IV? - answer False
All team members, doctors, and patients must be screened twice before entering Zone
III. - answer True
Orbit screening for metallic foreign body can include: (Best answer) - answer Prior
CT/MRI exams and same-day screening X-rays.
T/F: All aneurysm clips and coils produced after 1995 are made of platinum and are MR
safe? - answer False
T/F: A patient with an aneurysm clip that has been safely scanned before is clearance
for other MRI exams? - answer False
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