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MR Safe ✔Correct Answer-An item that poses no know hazards in all MRI environment
MR unsafe ✔Correct Answer-An item that is known to pose hazards in all MRI environment
MR conditional ✔Correct Answer-An item that has been demonstrated to pose no know hazards in
a specific MRI environment with specific conditions of use
SAR limits in the USA for the whole body? ✔Correct Answer-Averaged over 15 mins SAR 4
Cryogens ✔Correct Answer-Substance used to supercool the coils of wire in a subconducting
magnet
Guidelines for MR safe environment ✔Correct Answer-Education, proper screening, warning signs,
preparation for emergency and routine maintenance
MRI safety issues ✔Correct Answer-Static magnetic, gradient magnetic field, radio frequency,
contrast agents, physiological, cryogens m
American society for testing and materials (ASTM) international is utilized by ✔Correct Answer-The
FDA
Materials such as plastic, glass and silicone are ✔Correct Answer-Safe objects that have undergone
test to be safe to the MR environment
An object that is known to have pose hazards in all MRI environments are called ✔Correct Answer-
Unsafe
Object may or may not be safe for the pt undergoing an MR procedure or an individual in the MR
environment depending in specific conditions that are present are called ✔Correct Answer-
Conditional
How does the MR safe sigh look? ✔Correct Answer-MR written inside a square
How does the sign MR not safe look? ✔Correct Answer-MR is a circle crossed out
How does that sign look when it is MR conditional ✔Correct Answer-MR in a triangle
Where is MRI safety zone 1 located? ✔Correct Answer-General public areas
Where is MRI safety zone 2 located? ✔Correct Answer-Patients dressing area
Where MRI safety zone 3 ? ✔Correct Answer-The control room
Where is MRI safety zone 4 ? ✔Correct Answer-The actual MRI room where the magnet is located
Screening tools are? ✔Correct Answer-Metal detectors, bar magnets and patient contact