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MRSO-4 EXAM QUESTIONS WITH ANSWERS
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MRSO-4 EXAM QUESTIONS WITH ANSWERS2024-2025
Who should inspect the quench vent in the MR room?
a. Facility engineers b. Manufacturing engineers
b. MR technology
d. MRMD - ANSWER: b. manufacturer engineers
Who inspects the quench vent outside of the MR facility?
a. Facility engineers.
b. Manufacturing Engineer
b. MR technology
d. MRMD - ANSWER A. Facility engineers
What happens if a cryogen comes into contact with the skin?
a. Frostbite/necrosis.
b. Nothing in its gaseous form
c. Explode
d. combust - ANSWER a. frostbite or necrosis.
Why is hypoxia a concern related to a quench failure?
a. Air is displaced by expanding helium gas.
,b. Helium is combustible, and if ignited, it can burn breathable air.
c. temperatures drop so low that the diaphragm contracts.
d. The changing magnetic field associated with a quench causes the diaphragm to
contract. - ANSWER a. Air is displaced by expanding helium gas.
What might we anticipate to see if a malfunctioning quench allows helium to seep
into the MR room? Select all that apply.
a. lower room temperature
a. Increase in room temperature
c. reduction in magnetic field strength.
b. Increased RF Heating - ANSWER a. lower room temperature
c. reduction in magnetic field strength.
If the MRSO is unable to attend a quench, another designated MR personnel should
be present.
a. True.
b. False, ANSWER a. True
A cautious approach to breastfeeding after a mother takes gadolinium contrast is:
a. to continue breastfeeding immediately following an intravenous gadolinium
contrast injection.
b. After receiving an intravenous injection of gadolinium contrast, wait 12-24 hours
before breastfeeding.
c. pump and dump breastmilk for 48 hours after receiving gadolinium
intravenously.
, d. Mix formula with breastmilk for 24 hours after receiving a single intravenous
infusion. - ANSWER b. After receiving an intravenous dose of gadolinium
contrast, wait 12-24 hours before breastfeeding.
Gadolinium contrast media is excreted in breastmilk in an unstable,
non-water-soluble form.
a. True
Answer: b. false
How much gadolinium does a newborn absorb from a mother who breastfeeds
them and administers gadolinium contrast?
a. >1%
b.<0.0004%
c. 0.04%
d. 20% - Answer: b. <0.0004%.
Which of the following agents provides the best opportunity for transmetallation to
occur?
a. linear, non-ionic
B. linear ionic
c. macrocyclic, non-ionic
D. macrocyclic ionic - ANSWER a. linear, non-ionic
Which of these agents is the most stable?
a. linear, non-ionic
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