MRI REGISTRY TEST #1 EXAM 2025
QUESTIONS AND ANSWERS
Which of the following implants may pose a problem during scanning?
a.implantable drug infusion pumps
b. cardiac pacemakers/breast tissue expanders
c. bone growth stimulators
d. all of the above - ANS D
Which of the following could result from scanning a pt with a cardiac pacemaker?
a. changes of programming
b. induced current in the lead wire/pt burns
c. pacemaker may become dislodged and pulled from pt's chest - ANS A and B
Which of the following procedures would be acceptable in checking for ferrous qualities of
accessory devices?
a. Check the weight
b. hand-held magnet
c. manufacturer label
d. take device into room - ANS B
A ___ reaction to contrast involves respiratory, cardiovascular, cutaneous, and possibly
gastrointestinal manifestations? - ANS Anaphylactoid
1 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
, Which of the following factors are responsible for inducing a physiologic response to induced
voltage?
a. orientation of gradient field
b. pt's size
c. frequency of stimulus
d. all of the above - ANS D
___ are reported visual sensations, or flashes of light, that result from direct excitation of optic
nerve, induced by the gradient magnetic fields. - ANS Magnetophosphenes
At the present time, what is the FDA recommended safe SAR level to the head? - ANS 3W/kg
Compared with conventional SE sequences, the fast pulse sequences, such as FSE or TSE have
___ RF deposition. - ANS Increased
Anesthesiologists consider the use of ___ to be a standard practice for monitoring when
scanning sedated or anesthetized pts. - ANS Pulse Ox
After contrast injection, paramagnetic contrast agents affect pt tissue in which of the following
ways? - ANS Decrease T1 and T2 relaxation times
Which of the following contrast agents is an ionic compound?
a. Mag
b. Prohance
c. Omniscan
d. None of the above - ANS D
Following the injection of contrast, which of the following pts are most likely to have serious
reaction?
2 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
QUESTIONS AND ANSWERS
Which of the following implants may pose a problem during scanning?
a.implantable drug infusion pumps
b. cardiac pacemakers/breast tissue expanders
c. bone growth stimulators
d. all of the above - ANS D
Which of the following could result from scanning a pt with a cardiac pacemaker?
a. changes of programming
b. induced current in the lead wire/pt burns
c. pacemaker may become dislodged and pulled from pt's chest - ANS A and B
Which of the following procedures would be acceptable in checking for ferrous qualities of
accessory devices?
a. Check the weight
b. hand-held magnet
c. manufacturer label
d. take device into room - ANS B
A ___ reaction to contrast involves respiratory, cardiovascular, cutaneous, and possibly
gastrointestinal manifestations? - ANS Anaphylactoid
1 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
, Which of the following factors are responsible for inducing a physiologic response to induced
voltage?
a. orientation of gradient field
b. pt's size
c. frequency of stimulus
d. all of the above - ANS D
___ are reported visual sensations, or flashes of light, that result from direct excitation of optic
nerve, induced by the gradient magnetic fields. - ANS Magnetophosphenes
At the present time, what is the FDA recommended safe SAR level to the head? - ANS 3W/kg
Compared with conventional SE sequences, the fast pulse sequences, such as FSE or TSE have
___ RF deposition. - ANS Increased
Anesthesiologists consider the use of ___ to be a standard practice for monitoring when
scanning sedated or anesthetized pts. - ANS Pulse Ox
After contrast injection, paramagnetic contrast agents affect pt tissue in which of the following
ways? - ANS Decrease T1 and T2 relaxation times
Which of the following contrast agents is an ionic compound?
a. Mag
b. Prohance
c. Omniscan
d. None of the above - ANS D
Following the injection of contrast, which of the following pts are most likely to have serious
reaction?
2 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
