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MRSO FINAL EXAM Questions with 100- verified Answers Latest Updates 2024 TOP RATED A+
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MRSO FINAL EXAM Questions with 100- verified Answers Latest Updates 2024 TOP RATED A+
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MRSO FINAL EXAM Questions with 100%verified Answers Latest Updates 2024 TOP
RATED A+
In which ways and a patient self-regulate their temperature when they overheat? - correct answer
Evaporation, Radiation
Which of the following statements are true when discussing MR safety
Larger patients will heat up most
Smaller patients heat up most
Larger patients are ferromagnetic
Induction only occurs in smaller patients - correct answer Larger patients will heat up the most
Which of the following personnel can enter zone 3 and 4 but can't escort and patient into zone 4 -
correct answer MR personnel level 1
Which of the following describes the total dose of energy that a tissue receives during an entire exam? -
correct answer Specific energy dose
How many gauss are in 1 Tesla? - correct answer 10,000
Where is cryogen primarily located? - correct answer In the MR unit
According to the ACR Manual on MRI safety 2020, what zone is the quench pipe located OUTSIDE a
facility? - correct answer Zone 3
What type of MR unit uses a coil of wire with a current running through it and a cryogenic to help
produce a strong magnetic field? - correct answer Superconducting magnet
,A patient begins to sneeze uncontrollably immediately after an injection of gadolinium contrast? This
could be considered what? - correct answer Allergic reaction
According to the ACR Manual on MR safety 2020, in what zone is the MR unit found - correct answer
Zone 4
Which of the following is true of non-MR personnel according to the ACR Manual on MR safety 2020? -
correct answer They must pass an MR safety screening process before entering zone 3
Which of the following will determine the amount of heating that a patient will receive? - correct
answer Pulse sequence used, patients overall surface area, patient mass
After approximately _____ the magnetic field reaches zero - correct answer 3-5 minutes
How much more heating does a 360 degree RF pulse have than a 180 degree RF pulse? - correct answer
4 times more
A tester magnet should be how strong according to the ACR Manual on MR safety 2020? - correct
answer Equal or greater than 1000 gauss
What is the risk of a non-ferrous pain pump? - correct answer Lenz's force
Which of the following answers best describes an electrical current when exposed to electrically
conductive material? - correct answer Faraday's law of induction
The gradient coils are responsible for which of the following? - correct answer Noise, peripheral nerve
stimulation
The T wave in the cardiac cycle represents what? - correct answer Heart repolarization
How would gadolinium appear on a T1 weighted image? - correct answer Bright
, Emesis after a contrata media reaction is considered what kind of adverse reaction? - correct answer A
non-allergic reaction to contrast media
When a patient undergoes an MR exam and starts to perspire, what method is the body using to
regulate the increased temperature? - correct answer Evaporative cooling
Which of the following are NOT recommended by the ACR Manual on MRI safety 2020? - correct answer
Metal detector
When electrical fields are produced in implants, the process of ___ heating can result - correct answer
Ohmic
Which of the following can reduce the risk of Lenz's force with implanted devices in our patient? -
correct answer Advance the patient slowly into the MR unit
A patient will change into a gown in most hospital settings within this zone, according to the ACR
Manual on MRI safety 2020 - correct answer Zone 2
Cryogen is designed to escape from the MR room through what? - correct answer Quench vent
An area that is outside of any MR department and is accessible to the general public is called what
according to the ACR Manual on MR Safety 2020 - correct answer Zone 1
What is the cryogen used in MRI? - correct answer Helium
This individual must have an in-depth understanding of the risks associated with the MRI environment,
according to the ACR Manual on MR Safety 2020 - correct answer Level 2 personnel
A ligand that attaches to a gadolinium ion in a chain like molecule is called what? - correct answer Linear
bond
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