ARRT MRI EXAM, FINAL EXAM, PRACTICE EXAM
AND STUDY GUIDE LATEST 2024 ACTUAL EXAM 160
QUESTIONS AND CORRECT DETAILED
ANSWERSWITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
When imaging the female pelvis, the most optimal view for evaluation of the uterus is the:
A. Axial
B. Coronal
C. Sagittal
D. None of the above - answer-Sagittal
Another term used for "fever" is:
A. Hypothermia
B. Apnea
C. Dystonia
D. Febrile - answer-Febrile
When parallel imaging techniques are utilized, a low resolution __________ is acquired prior to the
acquisition.
A. Geometric accuracy pulse
B. Calibration scan
C. Presaturation pulse
D. Contrast test bolus - answer-Calibration scan
Reducing the flip angle yields images with what change in image contrast?
A. More T2 information
B. Less T2 information
C. More T1 information
,D. Less T1 information
E. None of the above - answer-Less T1 information
An adverse reaction or complication caused by treatment from a healthcare professional is called:
A. Anaphylactic
B. Nosocomial
C. Iatrogenic
D. Idiopathic - answer-Iatrogenic
Acquiring a bit more than half the phase k-space samples, then interpolating the data with zeroes for the
remaining half is a technique known as:
A. Half Fourier
B. Fast spin echo
C. Zero Fill
D. Spoiled Gradient Echo
E. All of the above
F. A, C and/or D only
G. A and/or C only - answer-A and/or C only
What protocol would be selected to rule out islet cell tumor?
A. Pelvic floor laxity
B. Liver for iron
C. Adrenal glands with In/Out phase images
D. Pancreas
E. Soft tissue neck - answer-Pancreas
All of the following would aid in reducing scan time EXCEPT:
A. Increasing parallel imaging factor
,B. Reduction in ETL
C. Reduction in NEX
D. Utilizing the coarsest matrix possible
E. Enabling half-fourier option
F. Reducing TR - answer-Reduction in ETL
Which of the following is NOT affected by changing the slice thickness?
A. The image resolution
B. The signal-to-noise ratio
C. The anatomical coverage
D. The T2 contrast - answer-The T2 contrast
In the TMJ's, the articular disc lies between what two anatomical structures?
A. External auditory meatus and mandibular condyle
B. Pudendal nerve and mandibular condyle
C. Acetabulum and mandibular condyle
D. Mandibular fossa and mandibular condyle - answer-Mandibular fossa and mandibular condyle
Active shielding can be defined as:
A. Copper lining in the walls of the scanner room
B. Performing robust prescan measurements for the purpose of field homogeneity
C. Steel lining in the walls of the scanner room
D. Superconducting windings within the MR scanner, reducing the fringe magnetic field
E. Monthly adjustments made to the magnetic field for the purpose of field uniformity - answer-
Superconducting windings within the MR scanner, reducing the fringe magnetic field
In a dual contrast spin echo sequence with echo times of 25ms and 90ms, the second echo image has
__________ than the first echo image
, I. more T2 contrast
II. lower signal-to-noise ratio
III. more T1 contrast - answer-I. more T2 contrast
I. lower signal-to-noise ratio
Longer TE's provide more T2 contrast, but reduced signal-to-noise ratios
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 - answer-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 - answer-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 - answer-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.
AND STUDY GUIDE LATEST 2024 ACTUAL EXAM 160
QUESTIONS AND CORRECT DETAILED
ANSWERSWITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
When imaging the female pelvis, the most optimal view for evaluation of the uterus is the:
A. Axial
B. Coronal
C. Sagittal
D. None of the above - answer-Sagittal
Another term used for "fever" is:
A. Hypothermia
B. Apnea
C. Dystonia
D. Febrile - answer-Febrile
When parallel imaging techniques are utilized, a low resolution __________ is acquired prior to the
acquisition.
A. Geometric accuracy pulse
B. Calibration scan
C. Presaturation pulse
D. Contrast test bolus - answer-Calibration scan
Reducing the flip angle yields images with what change in image contrast?
A. More T2 information
B. Less T2 information
C. More T1 information
,D. Less T1 information
E. None of the above - answer-Less T1 information
An adverse reaction or complication caused by treatment from a healthcare professional is called:
A. Anaphylactic
B. Nosocomial
C. Iatrogenic
D. Idiopathic - answer-Iatrogenic
Acquiring a bit more than half the phase k-space samples, then interpolating the data with zeroes for the
remaining half is a technique known as:
A. Half Fourier
B. Fast spin echo
C. Zero Fill
D. Spoiled Gradient Echo
E. All of the above
F. A, C and/or D only
G. A and/or C only - answer-A and/or C only
What protocol would be selected to rule out islet cell tumor?
A. Pelvic floor laxity
B. Liver for iron
C. Adrenal glands with In/Out phase images
D. Pancreas
E. Soft tissue neck - answer-Pancreas
All of the following would aid in reducing scan time EXCEPT:
A. Increasing parallel imaging factor
,B. Reduction in ETL
C. Reduction in NEX
D. Utilizing the coarsest matrix possible
E. Enabling half-fourier option
F. Reducing TR - answer-Reduction in ETL
Which of the following is NOT affected by changing the slice thickness?
A. The image resolution
B. The signal-to-noise ratio
C. The anatomical coverage
D. The T2 contrast - answer-The T2 contrast
In the TMJ's, the articular disc lies between what two anatomical structures?
A. External auditory meatus and mandibular condyle
B. Pudendal nerve and mandibular condyle
C. Acetabulum and mandibular condyle
D. Mandibular fossa and mandibular condyle - answer-Mandibular fossa and mandibular condyle
Active shielding can be defined as:
A. Copper lining in the walls of the scanner room
B. Performing robust prescan measurements for the purpose of field homogeneity
C. Steel lining in the walls of the scanner room
D. Superconducting windings within the MR scanner, reducing the fringe magnetic field
E. Monthly adjustments made to the magnetic field for the purpose of field uniformity - answer-
Superconducting windings within the MR scanner, reducing the fringe magnetic field
In a dual contrast spin echo sequence with echo times of 25ms and 90ms, the second echo image has
__________ than the first echo image
, I. more T2 contrast
II. lower signal-to-noise ratio
III. more T1 contrast - answer-I. more T2 contrast
I. lower signal-to-noise ratio
Longer TE's provide more T2 contrast, but reduced signal-to-noise ratios
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 - answer-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 - answer-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 - answer-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.
