ARMRIT Certification Exam 2026/2027 First Attempt Questions with Revised Answers

ARMRIT CERTIFICATION FIRST TRY QUESTIONS WITH
REVISED ANSWERS – UPDATED 2026/2027

1. as magnetic field strength increases, precessional frequency: increases
2. Which of the following characteristics determines if an atoms suitable for
use in MRI: High atomic number or odd atomic number
3. A nucleus with a net spin is described as having which of the foto: Angular
momentum
4. The magnetic field created by the nuclear alignment of hydrogen is ḳnown as
which of the following?: Net Magnetization Vector
5. What is the approximate precessional frequency of hydrogen in a 3.0 T
magnet?: 128 MHz/T
6. The immediate decay of an RF signal in the transverse plane after excitation is
referred to as which of the following?: Free induction decay
7. What is the time constant of the precessional frequency of a specific MR
active nucleus at 1 Tesla in units of MHz//T ?: Larmor Frequency
8. What conditions are necessary for resonance to occur?: Energy applied at the precise
frequency
9. T1 relaxation time is best described as recovery of: 63% of the longitudinal magnetization
10. Which of the following best characterizes T2 relaxation time: Decay of 63% of the
transverse magnetization
11. what does a moving magnetic field induce in a conductor?: Electrical current
12. One tesla is equal to gauss.: 10,000
13. Materials with which of the following components have the highest degree of
magnetic susceptibility: Ferromagnetic
14. Image construction in MRI is accomplished through which of the following
mathematical processes?: Fast Fourier Transformation
15. Gradient coils are best described as which of the following?: Shim coils that correct for
homogeneity


,16. The direction perpendicular to the main magnetic field is designated as
which direction?: XY
17. Longitudinal magnetization occurs when protons align with which direction
of the magnetic field?: X
18. Which of the following conditions is necessary for energy to be the most
efficiently transferred from one system to another?: Resonance






, 19. the center of ḳ-space corresponds to what gradient amplitude: 0 milliTesla/meter
20. As TE increases T2 contrast: increases
21. In a 2D spin echo pulse sequence, when does phase encoding occur: After the first
slice excitation pulse
22. The dephasing of spins caused by both T2 and a magnetic field is ḳnown as:
T2*
23. Which of the following is not an advantage of a superconducting magnet-
: Large fringe field
24. Which type of magnet can produce a magnetic field strength greater than 3T:
Superconducting magnets
25. Which of the following is NOT an advantage of permanent magnets?: Quicḳ turn
ott capability
26. Which of the following is the primary MR signal resulting from a 90-degree
excitation RF pulse?: Free Induction Decay
27. In a spin echo pulse sequence, which of the following eliminates the T2^(***)
(star) effects by rephasing the transverse magnetization and produc-ing the
echo?: 180 degree RF pulse
28. Which of the following parameters will influence T1 contrast in a GRE pulse
sequence?: Flip angle
29. Superconducting magnets coils exhibit what type of resistance when oper-
ating at or below critical temperature?: Zero resistance
30. The primary objective of the MRI receiver system is to convert analog
signals into which of the following?: Digital signal
31. A phased-array surface coil is a receiver system that utilizes several individ-
ual coils, which are connected directly to a dedicate: Receiver
32. Which of the following coils would yield the smallest transmit RF field?: a
transmit-only body coil
33. The primary advantage of a phased array coil is that it provides the cover-age
of an individual larger coil and which of the following characteristics of an
individual smaller coil?: Spatial resolution