ARMRIT EXAM QUESTIONS AND
CORRECT ANSWERS. VERIFIED
2025/2026.
Different tissues that have signals that appear similar on an MR image are described as:
A) hypointense
B) hyperintense
C) isointense
D) isodense - ANS isointense
in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton
has been described as wobbling like a spinning top. this motion is called
A) precession
B) resonance
C) frequency
D) angular momentum - ANS precession
magnetic resonance imaging is derived from the process known as:
A) magnetic resonance angiography
B) magnetic relaxation imaging
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,C) nuclear magnetic resonance
D) nuclear resonance imaging - ANS nuclear magnetic resonance
Once the nmv has moved away from equilibrium, the following will occur
A) the longitudinal component will increase
B) the transverse component will decrease
C) the longitudinal component will stay the same
D) the transverse component will increase - ANS the transverse component will increase
In MR, substances respond to a specific radio frequency which is known as:
A) magnetic frequency
B) radio frequency
C) gyro-magnetic frequency
D) resonance frequency - ANS resonance frequency
the introduction of gadolinium based contrast enhancement agents by intra-venous injection
can involve passing through an abnormal blood brain barrier. the tissue compartments involved
are the:
A) intravascular to interstitial
B) extracellular to intracellular
C) hepatobiliary to renal
D) extradural to renal - ANS intravascular to interstitial
t2 is the measurement of time fot the transverse component of the NMV to decrease what
percentage of its maximum value after the application of a 90 degree radio-frequency pulse
A) 33%
B) 63%
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,C) 37%
D) 67% - ANS 37%
in the USA, the MRI system's magnetic field and vector that represents it is symbolized:
A) B1
B) B2
C) B3
D) B0 - ANS B0
The resonance frequency of any substance in a magnetic field can be calculated by employing
the
A) damadian equation
B) larmor equation
C) faraday equation
D) lauterbur equation - ANS Larmor equation
in a pulse sequence, transmitting an initial 90 degree radio-frequency pulse will cause the NMV
to:
A) remain at equilibrium
B) shift in both size and direction
C) move to antiparallel
D) rephase - ANS shift in both size and direction
Which type of electromagnetic coils are designed to stimulate and detect an MR signal?
A) gradient coils
B) radio-frequency coils
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, C) shim coils - ANS radio-frequency
tissues that are less efficient at spin-spin interactions because they contain more free water,
such as CSF, should have
A) High T2 values and produce hypointense signals
B) HIgh T2 values and produce hyperintense signals
C) low T2 values and produce hypointnese signals
D) low T2 values and produce hyperintense signal - ANS High T2 values and produce
hyperintense signals
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 - ANS 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 - ANS blood flow
the strength of very large magnetic fields like those employed in MRI systems, the SI unit most
commonly used is:
A) Tesla
B) Gauss
C) Kilogauss
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
CORRECT ANSWERS. VERIFIED
2025/2026.
Different tissues that have signals that appear similar on an MR image are described as:
A) hypointense
B) hyperintense
C) isointense
D) isodense - ANS isointense
in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton
has been described as wobbling like a spinning top. this motion is called
A) precession
B) resonance
C) frequency
D) angular momentum - ANS precession
magnetic resonance imaging is derived from the process known as:
A) magnetic resonance angiography
B) magnetic relaxation imaging
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,C) nuclear magnetic resonance
D) nuclear resonance imaging - ANS nuclear magnetic resonance
Once the nmv has moved away from equilibrium, the following will occur
A) the longitudinal component will increase
B) the transverse component will decrease
C) the longitudinal component will stay the same
D) the transverse component will increase - ANS the transverse component will increase
In MR, substances respond to a specific radio frequency which is known as:
A) magnetic frequency
B) radio frequency
C) gyro-magnetic frequency
D) resonance frequency - ANS resonance frequency
the introduction of gadolinium based contrast enhancement agents by intra-venous injection
can involve passing through an abnormal blood brain barrier. the tissue compartments involved
are the:
A) intravascular to interstitial
B) extracellular to intracellular
C) hepatobiliary to renal
D) extradural to renal - ANS intravascular to interstitial
t2 is the measurement of time fot the transverse component of the NMV to decrease what
percentage of its maximum value after the application of a 90 degree radio-frequency pulse
A) 33%
B) 63%
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,C) 37%
D) 67% - ANS 37%
in the USA, the MRI system's magnetic field and vector that represents it is symbolized:
A) B1
B) B2
C) B3
D) B0 - ANS B0
The resonance frequency of any substance in a magnetic field can be calculated by employing
the
A) damadian equation
B) larmor equation
C) faraday equation
D) lauterbur equation - ANS Larmor equation
in a pulse sequence, transmitting an initial 90 degree radio-frequency pulse will cause the NMV
to:
A) remain at equilibrium
B) shift in both size and direction
C) move to antiparallel
D) rephase - ANS shift in both size and direction
Which type of electromagnetic coils are designed to stimulate and detect an MR signal?
A) gradient coils
B) radio-frequency coils
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, C) shim coils - ANS radio-frequency
tissues that are less efficient at spin-spin interactions because they contain more free water,
such as CSF, should have
A) High T2 values and produce hypointense signals
B) HIgh T2 values and produce hyperintense signals
C) low T2 values and produce hypointnese signals
D) low T2 values and produce hyperintense signal - ANS High T2 values and produce
hyperintense signals
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 - ANS 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 - ANS blood flow
the strength of very large magnetic fields like those employed in MRI systems, the SI unit most
commonly used is:
A) Tesla
B) Gauss
C) Kilogauss
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
