2026-2027 240 QUESTIONS AND 100% Verified
ANSWERS
This document provides a comprehensive and updated preparation resource for the ARMRIT MRI
Technologist certification exam, featuring complete practice questions with accurate answers and
detailed rationales. It covers key topics such as MRI physics, patient safety, imaging procedures,
anatomy, instrumentation, and clinical applications essential for MRI technologists. Designed for the
2026-2027 certification cycle, it supports effective revision, technical understanding, and exam
readiness for candidates pursuing ARMRIT certification. Magnetic Resonance Imaging (MRI) Technology
when the net magnetization in the XY plane has ceased to exist the condition of __________ has been
reached.
A) saturation
B) equilibrium
C) rephasing
D) resonance - answer>>equilibrium
an RF pulse transmitted with a strength and duration sufficient to flip the M vector from the Z axis to
the XY plane is a(n):
A) 90 degree pulse
B) 180 degree pulse
C) inversion pulse
D) gradient pulse - answer>>90 degree pulse
an MR signal is generated when the NMV is:
A) along the Z axis
B) at equilibrium
C) some value greater than zero in the XY plane
D) completely dephased - answer>>some value greater than zero in the XY plane
,RF pulses are identified according to the _________.
A) flip angle & nutration
B) intensity
C) duration
D) gradient - answer>>flip angle & nutration
following the excitation pulse, the FID decays________.
A) linearly
B) exponentially
C) during the 180 degree RF pulse
D) along the Z axis - answer>>exponentially
the MR signal is strongest when the precessing nuclei are ____________.
A) in phase coherence
B) at equilibrium
C) aligned with B0
D) out of phase - answer>>in phase coherence
measurement of the magnetic field strength outside the bore of the MR image is most typically
expressed in units of ___________.
A) gauss
B) tesla
C) megahertz
D)magnetogyric - answer>>gauss
Nuclei in their natural enviornment (in the absence of a significant magnetic field) are aligned
__________.
A) with magnetic north
,B) randomly
C) parallel
D) transverse
E) anti-parallel - answer>>randomly
_________ occurs when the frequency of the RF pulse matched the frequency of the precessing nuclei.
A) dephasing
B) resonance
C) relaxation
D) saturation - answer>>resonance
T2 is the characteristic time constant for _________.
A) 63% loss of magnetization in the XY plane
B) 37% loss of magnetization in the transverse plane
C) 86% regrowth of transverse magnetization
D) 63% regrowth of longitudinal magnetization - answer>>37% loss of magnetization in the transverse
plane
the NMV will generate a stronger MR signal if the alignment is at:
A) 180 degrees
B) 120 degrees
C) 90 degrees
D) 360 degrees - answer>>90 degrees
The __________ and ___________ are the terms which indicate the amount the macroscopic
magnetization vector is rotated by RF pulse with respect to the static magnetic field
A) flip angle/nutration angle
B) T1/T2 relaxation
C) Lannor/resonance frequency
, D) Tesla/gauss - answer>>flip angle/nutration angle
nuclei having an _________ of nucleons (neutrons and protons) will tend to possess magnetic
properties
A) even number
B) isotropic number
C) excess number
D) odd number - answer>>odd number
the tendency of a substance to become magnetized or to distort an applied magnetic field is
___________.
A) ferromagnetic
B) magnetic susceptibility
C) diamagnetic
D) superconducting - answer>>magnetic susceptibility
______________ is the uniformity of the static magnetic field, expressed in terms of PPM (parts per
million) over a defined volume.
A) hertz
B) homogeneity
C) shim
D) B0 - answer>>homogeneity
____________ is the property of most substances having paired orbital electrons resulting in these
substances being weakly repelled by the applied magnetic field
A) paramagnetic
B) ferromagnetic
C) superparamagetic
D) diamagnetic - answer>>diamagnetic