MRSO - STATIC FIELD - MODULE 2
EXAM Questions and 100% Correct
Answers Latest VERSIONS 2024
GRADED A+
Static field metrics
✓ ~~> 1T = 10,000G
(0.5mT = 5G)
Who published guidelines titled "Criteria for Significant Risk" that specifies what
qualifies as significant risk of exposure to magnetic field associated with MRI.
✓ ~~> FDA
FDA guidelines state EXPOSURE to a static field that does not pose a
significant risk is:
✓ ~~> Limited to 8T for adults and infants > 1 month
Limited to 4T for infants < 1 month
Forces related to static field
✓ ~~> -Torque/rotation
-Translation/Displacement
,-Lenz
,2|Pag
magnetic saturation
✓ ~~> The point where an increase in magnetic force produces no
further magnetic effect in a magnetic material. .
magnetic saturation depends on:
✓ ~~> -material
-size and shape
-temperature
Most ferromagnetic items are going to saturate at:
✓ ~~> 0.3T - 2.2T
Torque
✓ ~~> force exerted on elongated ferromagnetic object so it aligns with
the direction of the magnetic field
Torque will cause an item to align in the _ axis in a horizontal field
magnet.
✓ ~~> z
, Master01 | September, 2024/2025 | Latest update
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