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MAGNETIC RESONANCE S AFETY
EXPERT (MRSE) EXAM
QUESTIONS & ANSWERS | LATEST
UPDATES
Question 1: Are only linear agents retained in our patient?
CORRECT ANSWER : FALSE
Question 2: During transmetallation, gadolinium will
attach to which of the following? Phosphate, Zinc, Iron, Calcium
CORRECT ANSWER : Phosphate
Question 3: Which of the following describes an opposing
magnetic field produced in a conductive object translating a magnetic field? Faraday's Law, Lenz's Law, Ohm's Law, Hall effect
CORRECT ANSWER : Lenz's Law
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Question 4: Which bond is the most stable? Linear Ionic,
Linear Non Ionic, Macrocyclic Non Ionic, Macrocyclic Ionic
CORRECT ANSWER : Macrocyclic Ionic
Question 5: What cryogen is used in MRI? Helium,
Hydrogen, Carbon, Oxygen
CORRECT ANSWER : Helium
Question 6: We test eGFR to reduce risk from which of
the following? Gadolinium retention/T1 shortening, Allergic reactions, Anthropogenic, NSF
CORRECT ANSWER : NSF
Question 7: What agent would you suggest for a patient
with an eGFR of 25 when an MRMD is adamant about giving GBCM? Linear Agent, Macrocyclic Agent
CORRECT ANSWER : Macrocyclic Agent
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Question 8: Why do we angle the exiting quench pipe
down 45 degrees – 180 degrees? So helium is not released straight up into the air, All the choices, So rain and snow can't get in, So animals can not get in the pipe
CORRECT ANSWER : So rain and snow can't get in
Question 9: Kinetic stability describes what with MRI
contrast? The rate at which a gadolinium molecule disassociates, The probability that a gadolinium molecule disassociates, All of the above
CORRECT ANSWER : The rate at which a gadolinium
molecule disassociates
Question 10: Which of the following are allergic
reactions? Asphyxiation, Decreased visibility, Confusion, All of the above
CORRECT ANSWER : All of the above
Question 11: What generation of cryostat uses a
condenser? Zero Boil Off, Nitrogen Only, Dual System, Helium Only
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CORRECT ANSWER : Zero Boil Off
Question 12: 1 liter of liquid helium expands to ~ ____
liters of gas? 7000, 700, 70, 7
CORRECT ANSWER : 700
Question 13: Which one is more stable? Macrocyclic,
Non Ionic
CORRECT ANSWER : Macrocyclic
Question 14: Which of the following can be done to
inspect a quench pipe? A fiber optic camera could be used to inspect the inside of the pipe, Annually drain the helium from the dewar, Take pipe apart annually, All of the above
CORRECT ANSWER : A fiber optic camera could be
used to inspect the inside of the pipe