ARMRIT American Registry of Magnetic
Resonance Imaging Technologists test questions
with correct answers
ARMRIT test - CORRECT ANSWER✔✔-ARMRIT EXAM COVERAGE
| | | | | |
The ARMRIT exam evaluates a candidate's knowledge of MRI physics, image
| | | | | | | | | | |
formation, and clinical MRI principles. The exam coverage includes nuclear
| | | | | | | | | |
magnetic resonance, proton behavior in a magnetic field, precession, resonance
| | | | | | | | | |
frequency, and the Larmor equation. It also assesses MRI system components
| | | | | | | | | | |
such as radiofrequency, gradient, and shim coils, along with magnetic field
| | | | | | | | | | |
strength measurement (Tesla). Additional areas include tissue signal
| | | | | | | |
characteristics (T1/T2 weighting), image intensity (hyperintense, hypointense,
| | | | | | |
isointense), relaxation properties, contrast media use (gadolinium), and magnetic
| | | | | | | | |
resonance angiography principles. Overall, the exam ensures candidates
| | | | | | | |
understand core MRI physics and imaging concepts required for safe and accurate
| | | | | | | | | | |
|clinical practice. |
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 - CORRECT ANSWER✔✔-precession
| | | | |
,magnetic resonance imaging is derived from the process known as:
| | | | | | | | | |
A) magnetic resonance angiography
| | |
B) magnetic relaxation imaging
| | |
C) nuclear magnetic resonance
| | |
D) nuclear resonance imaging - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-resonance frequency
| | | | | |
Different tissues that have signals that appear similar on an MR image are
| | | | | | | | | | | | |
described as: |
A) hypointense
|
,B) hyperintense
|
C) isointense
|
D) isodense - CORRECT ANSWER✔✔-isointense
| | | |
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 - CORRECT ANSWER✔✔-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%
|
C) 37%
|
D) 67% - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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
| |
C) shim coils - CORRECT ANSWER✔✔-radio-frequency
| | | | |
tissues that are less efficient at spin-spin interactions because they contain more
| | | | | | | | | | | |
free water, such as CSF, should have
| | | | | |
Resonance Imaging Technologists test questions
with correct answers
ARMRIT test - CORRECT ANSWER✔✔-ARMRIT EXAM COVERAGE
| | | | | |
The ARMRIT exam evaluates a candidate's knowledge of MRI physics, image
| | | | | | | | | | |
formation, and clinical MRI principles. The exam coverage includes nuclear
| | | | | | | | | |
magnetic resonance, proton behavior in a magnetic field, precession, resonance
| | | | | | | | | |
frequency, and the Larmor equation. It also assesses MRI system components
| | | | | | | | | | |
such as radiofrequency, gradient, and shim coils, along with magnetic field
| | | | | | | | | | |
strength measurement (Tesla). Additional areas include tissue signal
| | | | | | | |
characteristics (T1/T2 weighting), image intensity (hyperintense, hypointense,
| | | | | | |
isointense), relaxation properties, contrast media use (gadolinium), and magnetic
| | | | | | | | |
resonance angiography principles. Overall, the exam ensures candidates
| | | | | | | |
understand core MRI physics and imaging concepts required for safe and accurate
| | | | | | | | | | |
|clinical practice. |
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 - CORRECT ANSWER✔✔-precession
| | | | |
,magnetic resonance imaging is derived from the process known as:
| | | | | | | | | |
A) magnetic resonance angiography
| | |
B) magnetic relaxation imaging
| | |
C) nuclear magnetic resonance
| | |
D) nuclear resonance imaging - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-resonance frequency
| | | | | |
Different tissues that have signals that appear similar on an MR image are
| | | | | | | | | | | | |
described as: |
A) hypointense
|
,B) hyperintense
|
C) isointense
|
D) isodense - CORRECT ANSWER✔✔-isointense
| | | |
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 - CORRECT ANSWER✔✔-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%
|
C) 37%
|
D) 67% - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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
| |
C) shim coils - CORRECT ANSWER✔✔-radio-frequency
| | | | |
tissues that are less efficient at spin-spin interactions because they contain more
| | | | | | | | | | | |
free water, such as CSF, should have
| | | | | |
