ARMRIT 2026 EXAM ACTUAL QUESTIONS AND ANSWERS
SURE A+
✔✔the normal pituitary gland should appear bright following injection of a gadolinium
enhancement agent
true or false - ✔✔true
✔✔gadolinium enhancement agents will readily pass through the normal blood brain
barrier
true or false - ✔✔false
✔✔combining a metal ion with a ligand reduces their tendency to bind to proteins,
enzymes, or membranes. the degree to which they dissociate is a measure of their:
A) osmolarity
B) chelating ability
C) toxicity
D) osmolaity
E) osmotic load - ✔✔toxicity
✔✔of the following MRI enhancement agents, which are FDA approved for clinical use?
A) Gd-DTPA
B) Gd-HP-DO3A
C) Gd-DTPA-BMA
D) all - ✔✔all
✔✔enhancement can be demonstrated on which of the following pulse sequences post
gadolinium injection:
A) T1 weighted
B) gradient-echo
C) inversion recovery
D) all - ✔✔all
✔✔SAR (specific absorption rate), set by the FDA, is the rate that RF energy is
introduced to body tissue, measured in watts per kilogram.
true or false - ✔✔true
✔✔the maximum exposure of the head and trunk to the main magnetic field (B0) is:
A) 2T
B) 3T
C) 4T
D) 5T
e) 6T - ✔✔3T
✔✔the maximum exposure of extremities to the main magnetic field (B0) is:
,A) 2T
B) 3T
C) 4T
D) 5T
e) 6T - ✔✔5T
✔✔exposure to gradient magnetic fields are based on the premise that the fields should
be too weak to cause neuromuscular stimulation by at least a factor of 3.
true or false - ✔✔true
✔✔maximum exposure to gradient magnetic fields are set at a rate of
A) 3T/ second
B) 4T/ second
C) 5T/ second
D) 6T/ second - ✔✔6T/ second
✔✔the maximum exposure of RF averaged over the whole body is:
A) no more than 8 w/kg
B) no more than 3.2 w/kg
C) no more than 0.4 w/kg
D) a maximum spatial peak of 8 w/kg - ✔✔no more than 0.4 w/kg
✔✔the maximum exposure of RF in one gram of tissue is:
A) no more than 8 w/kg
B) no more than 3.2 w/kg
C) no more than 0.4 w/kg
D) a maximum spatial peak of 8 w/kg - ✔✔a maximum spatial peak of 8 w/kg
✔✔in regards to RF the concern is that there should not be an increase in body core
temperature of:
A) 1 degree F
B) 1 degree C
C) 2 degrees F
D) 2 degrees C
E) 3 degree K - ✔✔1 degree C
✔✔currently, patients and personnel are excluded from exposure to MRI for the 1st
trimester of pregnancy
true or false - ✔✔true
✔✔guidelines excluding pregnant individuals from MRI is mainly to protect the individual
from:
A) main magnetic field
B) Radio frequency
, C) gradient magnetic fields
D) cryogen boil off - ✔✔radio frequency
✔✔of the following categories of patients, the one that would not present any special
safety considerations is:
A) patient with cardiac pacemaker
B) patient on life support systems
C) patients with previous arthroscopic knee surgery
D) patients with a history of employment as a metal worker - ✔✔patients with previous
arthroscopic knee surgery
✔✔the _____________ is a level of dose below which no response will be elicited
A) Specific absorption dose
B) dose equivalent
C) threshold dose
D)dose response curve - ✔✔threshold dose
✔✔local exposures to the RF are: less than 38 degrees C in the head, less than 39
degrees C in the trunk, less than 40 degree C in the extremities
true or false - ✔✔true
✔✔patients with cardiac pacemakers are only contraindicated for an MRI scan in main
magnets of more than 0.5T.
true or false - ✔✔false
✔✔magnetophosphenes are described as:
A) phosphorous levels in the body increase
B) palpitations
C) seeing flashes of light
D) 2nd degree burn - ✔✔seeing flashes of light
✔✔magnetically sensitive objects such as credit cards, magnetic tapes and discs, and
EKG equipment should be kept beyond the ________gauss line
A) 5
B) 10
C) 15
D) 30
E) 50 - ✔✔5
✔✔some fastened equipment such as pulse oximeters and electrodes have reported to
cause 3rd degree burns
true and false - ✔✔true
SURE A+
✔✔the normal pituitary gland should appear bright following injection of a gadolinium
enhancement agent
true or false - ✔✔true
✔✔gadolinium enhancement agents will readily pass through the normal blood brain
barrier
true or false - ✔✔false
✔✔combining a metal ion with a ligand reduces their tendency to bind to proteins,
enzymes, or membranes. the degree to which they dissociate is a measure of their:
A) osmolarity
B) chelating ability
C) toxicity
D) osmolaity
E) osmotic load - ✔✔toxicity
✔✔of the following MRI enhancement agents, which are FDA approved for clinical use?
A) Gd-DTPA
B) Gd-HP-DO3A
C) Gd-DTPA-BMA
D) all - ✔✔all
✔✔enhancement can be demonstrated on which of the following pulse sequences post
gadolinium injection:
A) T1 weighted
B) gradient-echo
C) inversion recovery
D) all - ✔✔all
✔✔SAR (specific absorption rate), set by the FDA, is the rate that RF energy is
introduced to body tissue, measured in watts per kilogram.
true or false - ✔✔true
✔✔the maximum exposure of the head and trunk to the main magnetic field (B0) is:
A) 2T
B) 3T
C) 4T
D) 5T
e) 6T - ✔✔3T
✔✔the maximum exposure of extremities to the main magnetic field (B0) is:
,A) 2T
B) 3T
C) 4T
D) 5T
e) 6T - ✔✔5T
✔✔exposure to gradient magnetic fields are based on the premise that the fields should
be too weak to cause neuromuscular stimulation by at least a factor of 3.
true or false - ✔✔true
✔✔maximum exposure to gradient magnetic fields are set at a rate of
A) 3T/ second
B) 4T/ second
C) 5T/ second
D) 6T/ second - ✔✔6T/ second
✔✔the maximum exposure of RF averaged over the whole body is:
A) no more than 8 w/kg
B) no more than 3.2 w/kg
C) no more than 0.4 w/kg
D) a maximum spatial peak of 8 w/kg - ✔✔no more than 0.4 w/kg
✔✔the maximum exposure of RF in one gram of tissue is:
A) no more than 8 w/kg
B) no more than 3.2 w/kg
C) no more than 0.4 w/kg
D) a maximum spatial peak of 8 w/kg - ✔✔a maximum spatial peak of 8 w/kg
✔✔in regards to RF the concern is that there should not be an increase in body core
temperature of:
A) 1 degree F
B) 1 degree C
C) 2 degrees F
D) 2 degrees C
E) 3 degree K - ✔✔1 degree C
✔✔currently, patients and personnel are excluded from exposure to MRI for the 1st
trimester of pregnancy
true or false - ✔✔true
✔✔guidelines excluding pregnant individuals from MRI is mainly to protect the individual
from:
A) main magnetic field
B) Radio frequency
, C) gradient magnetic fields
D) cryogen boil off - ✔✔radio frequency
✔✔of the following categories of patients, the one that would not present any special
safety considerations is:
A) patient with cardiac pacemaker
B) patient on life support systems
C) patients with previous arthroscopic knee surgery
D) patients with a history of employment as a metal worker - ✔✔patients with previous
arthroscopic knee surgery
✔✔the _____________ is a level of dose below which no response will be elicited
A) Specific absorption dose
B) dose equivalent
C) threshold dose
D)dose response curve - ✔✔threshold dose
✔✔local exposures to the RF are: less than 38 degrees C in the head, less than 39
degrees C in the trunk, less than 40 degree C in the extremities
true or false - ✔✔true
✔✔patients with cardiac pacemakers are only contraindicated for an MRI scan in main
magnets of more than 0.5T.
true or false - ✔✔false
✔✔magnetophosphenes are described as:
A) phosphorous levels in the body increase
B) palpitations
C) seeing flashes of light
D) 2nd degree burn - ✔✔seeing flashes of light
✔✔magnetically sensitive objects such as credit cards, magnetic tapes and discs, and
EKG equipment should be kept beyond the ________gauss line
A) 5
B) 10
C) 15
D) 30
E) 50 - ✔✔5
✔✔some fastened equipment such as pulse oximeters and electrodes have reported to
cause 3rd degree burns
true and false - ✔✔true
