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MRSO Safety Test with Questions Solved 100% Correc
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MRSO Safety Test with QuestionsSolved 100% Correct
Lenz's force - Answer The process of non-ferrous objects producing a magnetic
field when moved through a strong static magnetic field
Magnetic moment - Answer An individual magnetic field produced by each
hydrogen proton
Magnohydrodynamic Effect - Answer When a patient is exposed to a strong static
magnetic field, their blood becomes magnetized. This causes elevated T wave in
their cardiac cycle
Paramagnetic - Answer A weakly attractive force when placed in a static magnetic field
Passive shielding - Answer The use of magnetically conductive materials in an MR unit
to reduce the fringe field
Pauli Exclusion Principle - Answer The principle that describes the atom structure
and the types of magnetism (ferromagnetism, paramagnetism, etc)
Rotational Force - Answer A force which aligns objects affected by the static
magnetic field to its flux lines
Spatial Gradient Magnetic - Answer The changing magnetic field strength
demonstrated at different distances from the MR unit
, Static magnetic field - Answer The magnetic field that aligns hydrogen nuclei parallel or
anti-parallel
Superparamagnetic - Answer A stronger attractive force than superparamagnetic, but
not as strong as ferromagnetism when placed in a strong static magnetic field
Teratogenic - Answer The potential effects of a static magnetic field on the offspring of
individuals exposed to it
Tesla - Answer The unit of measurement used to describe the static magnetic field
Translational force - Answer The attractive for of an object as it translates through
the static gradient magnetic fields
Vector - Answer The direction of the static magnetic field
Transmit-receive coul - Answer A receiver coil that produces RF energy and detects
signal from the patient.
Transverse Decay - Answer The period of time after an excitation pulse
where magnetism is lost in transverse axis.
Wavelength - Answer The distance from one one amplitude in a frequency to the next.
90 degree RF - Answer The amount of energy used to tilt hydrogen from
longitudinal magnetism into the transverse axis
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