Q1 A patient reports having 'some heart device' but cannot provide any details. What should you do?
AReview the prior MRI history and proceed if previously scanned
BProceed if the patient has no current cardiac symptoms
CScan at a lower field strength until the device can be identified
DDetermine the device type and MR conditions before proceeding
Q2 A large ferromagnetic object becomes attached to the MRI system. No one is injured or trapped. What should be done first?
AAttempt removal before the object becomes more firmly attached
BQuench the magnet to allow the object to be removed
CRestrict access and contact the appropriate MR safety or service personnel
DTurn off the scanner console and wait for the magnetic field to dissipate
Q3 A patient with a history of metal grinding work reports no visible eye injury but is unsure if metal fragments remain in his eyes. What is the appropriate screening method?
AVisual inspection alone is sufficient if the patient denies symptoms
BA plain film x-ray or CT of the orbits to rule out ferrous fragments
CDirect ophthalmoscopy by the technologist before scanning
DProceed with scan as orbit fragments cannot affect MRI
Q4 If an implant's safety status is unknown, how should you treat it?
