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MRSO-4 Questions & 100% Correct Answers
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  • MRSO

The quench vent in the MR room should be inspected by who? a. facility engineers b. manufacturer engineers c. MR tech d. MRMD ~~> b. manufacturer engineers The quench vent outside the MR facility is inspected by who? a. facility engineers b. manufacture engineer c. MR tech d. MRMD ~...

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Document information

  • September 12, 2024
  • 35
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • mrso 4 questions 100 correct answers
  • the quench vent in the mr room should be inspected

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  • MRSO

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1 | P a g e | © copyright 2024/2025 | Grade A+




MRSO-4 Questions & 100% Correct
Answers
The quench vent in the MR room should be inspected by who?

a. facility engineers

b. manufacturer engineers

c. MR tech

d. MRMD

✓ ~~> b. manufacturer engineers




The quench vent outside the MR facility is inspected by who?

a. facility engineers

b. manufacture engineer

c. MR tech

d. MRMD

✓ ~~> a. facility engineers




If a cryogen comes in contact with skin, what will happen?

a. frostbite/necrosis

b. nothing, in its gas form




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+



c. explode

d. combust

✓ ~~> a. frostbite/necrosis




Why is asphyxia a risk associated with a quench malfunction?

a. air is displaced by expanding helium gas

b. helium is flammable so if ignighted, it can burn breathable air.

c. temperatures get so cold that the diaphram contracts

d. the changing magnetic field associated with a quench that induction in

the diaphram to contract.

✓ ~~> a. air is displaced by expanding helium gas




What would we expect to see when a malfunctioned quench causes helium

to leak into the MR room? Select all that apply.

a. decrease in room temperature

b. increase in room temperature

c. decrease in magnetic field strength

d. increase in RF heating

✓ ~~> a. decrease in room temperature

c. decrease in magnetic field strength




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+




A designated MR personnel should be present during a quench if the MRSO

cannot be.

a. True

b. False

✓ ~~> a. True




A conservative approach to breast-feeding after a mother receives

gadolinium contrast is:

a. to continue breast-feeding immediately after receiving an intravenous

injection of gadolinium contrast.

b. to wait 12-24 hrs to breast feed after an intravenous injection of gadolinium

contrast.

c. to pump and dump breastmilk for 48 hrs after an intravenous injection of

gadolinium.

d. to mix formula with breastmilk for 24 hrs after an intravenous injection of

gad.

✓ ~~> b. to wait 12-24 hrs to breast feed after an intravenous injection of

gadolinium contrast.




Master01 | September, 2024/2025 | Latest update

, 4 | P a g e | © copyright 2024/2025 | Grade A+



Gadolinium contrast media is excreted into breastmilk in an unstable non-

water soluble form.

a. true

b. false

✓ ~~> b. false




Approximately how much gadolinium is absorbed by an infant from a mother

who has breastfed them and has received a dose of gadolinium contrast?

a. >1%

b.<0.0004%

c. 0.04%

d. 20%

✓ ~~> b.<0.0004%




Which of the following agents yields the best chance for transmetallation to

occur?

a. linear non-ionic

b. linear ionic

c. macrocyclic non-ionic

d. macrocyclic ionic




Master01 | September, 2024/2025 | Latest update

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