ARMRIT EXAM AND STUDY GUIDE NEWEST 2025
TEST BANK| COMPLETE 850 REAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) GRADED A+| AMERICAN REGISTRY OF
MRI TECHNOLOGISTS (ARMRIT) EXAM PREP 2025
(MOST RECENT!!)
Magnetism can be defined as the ability of certain substances to attract:
A) Copper, aluminum, tin
B) Iron, cobalt, nickel
C) Bronze, niobium, titanium
D) Neodymium, niobium-titanium, lodestone - Correct Answer - Iron,
cobalt, nickel
The purpose of magnetic resonance angiography is to image the:
A) stationary soft tissue
B) blood flow
C) vessel lumen
D) only abnormal vessels - Correct Answer - blood flow
The strength of very large magnetic fields like those employed in MRI
systems, the SI unit most commonly used is:
A) Tesla
pg. 1
,Page 2 of 260
B) Gauss
C) Kilogauss
D) militesla - Correct Answer - Tesla
The larmor frequency of hydrogen protons in a 1.5 tesla magnetic field
is:
A) 6.4 MHZ/Tesla
B) 12.8 MHz/Tesla
C) 25.5 MHz/tesla
D) 63.9 MHz/tesla - Correct Answer - 63.9 MHz/Tesla
A 1.5T magnetic field is equal to:
A) 150 gauss
B) 1500 gauss
C) 15,000 gauss
D) 150,000 gauss - Correct Answer - 15,000 gauss
The components of the gyromagnetic ratio are:
A) stimulation to relaxation
B) protons to electrons
C) magnetic moment to angular momentum
D) main magnetic field to radio-frequency signal - Correct Answer -
magnetic moment to angular momentum
pg. 2
,Page 3 of 260
Fast transition phenomenon and entry phenomenon are theories that
explain which of the following characteristics:
A) T1 effects
B) T2 effects
C) hydrogen concentration
D) velocity effects - Correct Answer - Velocity effects
The effects of main magnetic field inhomogeneities on the FID signal
are corrected for in the spin echo sequence by applying a second radio
frequency pulse. the flip angle of this radio frequency pulse is:
A) 45 degrees
B) 60 degrees
C) 90 degrees
D) 180 degrees - Correct Answer - 180 degrees
T1 is the measurement of time for the longitudinal component of the
NMV to recover what percentage of its original value after the
application of a 90 degree radio frequency pulse?
A) 33%
B) 63%
C) 37%
D) 67% - Correct Answer - 63%
pg. 3
, Page 4 of 260
The tissue characteristic which depends more on the state (solid, liquid,
gas) of a tissue than any other factor is:
A) T1 effects
B) T2 effects
C) hydrogen concentration
D) velocity effects - Correct Answer - T2 effects
The basic process of MR signal generation contains 2 basic steps, they
are:
A) parallel alignment and anti-parallel alignment
B) stimulation and relaxation
C) magnetization and ionization
D) magnetization and ionization - Correct Answer - stimulation and
relaxation
On a proton density image, 2 types of tissue that contain very low
concentrations of hydrogen and appear very hypointense are
A) Cerebral tissue and CSF
B) fat and muscle
C) medullary bone and kidney
D) cortical bone and lung - Correct Answer - cerebral tissue and CSF
In comparison to CT an advantage of MRI is:
pg. 4