1
ARRT
ARRT MRI MOCK REGISTRY EXAM QUESTIONS
WITH CORRECT VERIFIED SOLUTIONS 100%
GUARANTEED PASS (LATEST UPDATE)
Chemical or spectral fat suppression techniques suppress fat signal based
on the:
A. Presence of T1 relaxation in the tissue
B. Presence of T2 relaxation in the tissue
C. Amount of fat being imaged
D. Precessional frequency of fat
E. Precessional frequency of water - ANS ✓Precessional frequency of fat
The B1 magnetic field is produced by a:
A. Shim coil
B. Main magnet coil
C. Gradient coil
D. Radiofrequency coil - ANS ✓Radiofrequency coil
The ___________ valve lies between the left atrium (LA) and the left ventricle
(LV).
A. Aortic
B. Pulmonary
C. Tricuspid
D. Mitral
E. Septic - ANS ✓Mitral
Calculate the available imaging time for a patient with a heart rate of 90
beats/min, trigger window 15% and trigger delay of 80ms.
A. 487 ms
B. 567 ms
C. 667 ms
D. 787 ms - ANS ✓487 ms
Healthcare workers generally practice ___________, which states the "goal is to
do no harm."
A. Confidentiality
ARRT MRI
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ARRT
B. Beneficence
C. Res Ipsa Loquitor
D. Stare decisis
E. Negligence - ANS ✓Beneficence
The MRI system component that produces the magnetization of proton
spins (alignment) is known as the:
A. Shim system
B. Main magnet
C. Gradient system
D. Radiofrequency system - ANS ✓Main magnet
The difference in chemical shift is approximately ______ parts-per-million.
A. 1.5
B. 2.5
C. 3.5
D. 4.5
E. 5.5 - ANS ✓3.5
During movement or transfer of patients, a urinary collection bag should be
placed:
A. Below the level of the MR table
B. At the foot of the MRI table
C. On the stretcher between the patients legs
D. Below the level of the urinary bladder - ANS ✓Below the level of the
urinary bladder
The pixel size of the images which result from a 3D acquisition using a
260mm FOV, a 320 x 320 matrix, 32 slices and a volume of 64 mm is:
A. 0.81 x 0.81 mm
B. 0.88 x 0.88 mm
C. 1.12 x 1.12 mm
D. 1.18 x 1.18 mm
E. 1.28 x 1.28 mm - ANS ✓0.81 x 0.81 mm
When a gradient echo sequence is selected for fast, breath hold dynamic
contrast-enhanced imaging of the abdomen, _____________ is utilized.
A. A refocussing 180° RF pulse
B. An inverting RF pulse
C. Presaturation
D. Spoiling
E. CSF nulling - ANS ✓Spoiling
ARRT MRI
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ARRT
The structures that comprise the rotator cuff in the shoulder are:
I. Deltoid muscle
II. Subscapularis muscle and tendon
III. Infraspinatus muscle and tendon
IV. Teres minor muscle and tendon
V. Supraspinatus muscle and tendon
VI. Trapezius muscle and tendon - ANS ✓I. Deltoid muscle
III. Infraspinatus muscle and tendon
IV. Teres minor muscle and tendon
V. Supraspinatus muscle and tendon
Which of the following has been documented to cause muscle contractions,
cardiac arrhythmias, mild cutaneous sensations and visual light flashes? A.
Oscillating magnetic fields (RF -- radiofrequency)
B. Time varying magnetic fields (TVMF -- gradient)
C. Static magnetic fields (main magnet)
D. Healthcare administration's recent demands - ANS ✓Time varying
magnetic fields (TVMF -- gradient)
When imaging the spine, to rule out metastatic lesions of the spinal cord,
contrast enhancement is used with T1 weighted images because:
A. CSF is bright and cord is dark
B. Scar enhances and disk does not
C. Metastatic lesions (in the cord) enhance and normal cord does not
D. Normal cord enhances and metastatic lesions do not - ANS ✓Metastatic
lesions (in the cord) enhance and normal cord does not
Calculate the effective TR for a patient with a heart rate of 70 beats / min.
A. 692 ms
B. 857 ms
C. 1024 ms
D. 1223 ms - ANS ✓857 ms
If the heart rate is 70 beats per minute, the R-R interval (effective TR)
would be calculated as such: 60,000 milliseconds (60 seconds per minute,
and there are 1000 milliseconds per second) ÷ 70 (heart rate) which = 857
milliseconds TR.
If the desire is to null the signal from a specific tissue using an inversion
recovery sequence, the inversion time (TI) selected should be ______ of the
T1 relaxation time of that tissue.
ARRT MRI
ARRT
ARRT MRI MOCK REGISTRY EXAM QUESTIONS
WITH CORRECT VERIFIED SOLUTIONS 100%
GUARANTEED PASS (LATEST UPDATE)
Chemical or spectral fat suppression techniques suppress fat signal based
on the:
A. Presence of T1 relaxation in the tissue
B. Presence of T2 relaxation in the tissue
C. Amount of fat being imaged
D. Precessional frequency of fat
E. Precessional frequency of water - ANS ✓Precessional frequency of fat
The B1 magnetic field is produced by a:
A. Shim coil
B. Main magnet coil
C. Gradient coil
D. Radiofrequency coil - ANS ✓Radiofrequency coil
The ___________ valve lies between the left atrium (LA) and the left ventricle
(LV).
A. Aortic
B. Pulmonary
C. Tricuspid
D. Mitral
E. Septic - ANS ✓Mitral
Calculate the available imaging time for a patient with a heart rate of 90
beats/min, trigger window 15% and trigger delay of 80ms.
A. 487 ms
B. 567 ms
C. 667 ms
D. 787 ms - ANS ✓487 ms
Healthcare workers generally practice ___________, which states the "goal is to
do no harm."
A. Confidentiality
ARRT MRI
, 2
ARRT
B. Beneficence
C. Res Ipsa Loquitor
D. Stare decisis
E. Negligence - ANS ✓Beneficence
The MRI system component that produces the magnetization of proton
spins (alignment) is known as the:
A. Shim system
B. Main magnet
C. Gradient system
D. Radiofrequency system - ANS ✓Main magnet
The difference in chemical shift is approximately ______ parts-per-million.
A. 1.5
B. 2.5
C. 3.5
D. 4.5
E. 5.5 - ANS ✓3.5
During movement or transfer of patients, a urinary collection bag should be
placed:
A. Below the level of the MR table
B. At the foot of the MRI table
C. On the stretcher between the patients legs
D. Below the level of the urinary bladder - ANS ✓Below the level of the
urinary bladder
The pixel size of the images which result from a 3D acquisition using a
260mm FOV, a 320 x 320 matrix, 32 slices and a volume of 64 mm is:
A. 0.81 x 0.81 mm
B. 0.88 x 0.88 mm
C. 1.12 x 1.12 mm
D. 1.18 x 1.18 mm
E. 1.28 x 1.28 mm - ANS ✓0.81 x 0.81 mm
When a gradient echo sequence is selected for fast, breath hold dynamic
contrast-enhanced imaging of the abdomen, _____________ is utilized.
A. A refocussing 180° RF pulse
B. An inverting RF pulse
C. Presaturation
D. Spoiling
E. CSF nulling - ANS ✓Spoiling
ARRT MRI
, 3
ARRT
The structures that comprise the rotator cuff in the shoulder are:
I. Deltoid muscle
II. Subscapularis muscle and tendon
III. Infraspinatus muscle and tendon
IV. Teres minor muscle and tendon
V. Supraspinatus muscle and tendon
VI. Trapezius muscle and tendon - ANS ✓I. Deltoid muscle
III. Infraspinatus muscle and tendon
IV. Teres minor muscle and tendon
V. Supraspinatus muscle and tendon
Which of the following has been documented to cause muscle contractions,
cardiac arrhythmias, mild cutaneous sensations and visual light flashes? A.
Oscillating magnetic fields (RF -- radiofrequency)
B. Time varying magnetic fields (TVMF -- gradient)
C. Static magnetic fields (main magnet)
D. Healthcare administration's recent demands - ANS ✓Time varying
magnetic fields (TVMF -- gradient)
When imaging the spine, to rule out metastatic lesions of the spinal cord,
contrast enhancement is used with T1 weighted images because:
A. CSF is bright and cord is dark
B. Scar enhances and disk does not
C. Metastatic lesions (in the cord) enhance and normal cord does not
D. Normal cord enhances and metastatic lesions do not - ANS ✓Metastatic
lesions (in the cord) enhance and normal cord does not
Calculate the effective TR for a patient with a heart rate of 70 beats / min.
A. 692 ms
B. 857 ms
C. 1024 ms
D. 1223 ms - ANS ✓857 ms
If the heart rate is 70 beats per minute, the R-R interval (effective TR)
would be calculated as such: 60,000 milliseconds (60 seconds per minute,
and there are 1000 milliseconds per second) ÷ 70 (heart rate) which = 857
milliseconds TR.
If the desire is to null the signal from a specific tissue using an inversion
recovery sequence, the inversion time (TI) selected should be ______ of the
T1 relaxation time of that tissue.
ARRT MRI
