MRI ARMRIT Exam
MRI ARMRIT Exam Questions Version 3
/MRI ARMRIT prep Exam Questions and
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The optimal imaging plane for visualization of a TFCC tear is:
A. Axial
B. Coronal
C. Transverse
D. Sagittal
E. None of the above
Coronal
Diseases, such as malaria, in which microorganisms are transferred via an insect, come under
the classification of __________ infections.
A. Indirect contact
B. Vector borne
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MRI ARMRIT Exam
C. Nosocomial
D. Common vehicle
Vector borne
What is the percentage of patients reported to have allergic reactions to gadolinium contrast
agents?
A. 1%
B. 5%
C. 10%
D. 15%
E. 20%
1%
Which of the following parameter adjustments will LENGTHEN scan time in an MR pulse
sequence?
I. Decrease TR
II. Increase TR
III. Increase ETL
IV. Decrease ETL
V. Decrease NEX
VI. Increase NEX
VII. Enable Half-fourier
VIII. Increase parallel imaging factor
IX. Decrease parallel imaging factor
X. Enable anti-aliasing
II, IV, VI and IX
Which of the following parameter adjustments help to improve SNR in an MR image?
I. Increase TR
II.Reduce Phase Matrix
III. Reduce Pixel Size
IV. Increase FOV
V. Reduce rBW
VI. Increase rBW
VII. Increase NSA
VIII. Decrease NSA
IX. Increase ETL
X. Decrease ETL
I, II, IV, V, VII and X
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MRI ARMRIT Exam
In a fast spin echo sequence with a 25 cm FOV, 224 x 320 matrix, TR 2500, 100 TE, 3mm slice
thickness, 12 ETL and 4 NEX, the scan time would be:
A. 2 minutes 6 seconds
B. 3 minutes 7 seconds
C. 3 minutes 11 seconds
D. 4 minutes 27 seconds
E. 4 minutes 44 seconds
3 minutes 7 seconds
The phase encoding step is performed:
A. During frequency encoding
B. In place of frequency encoding
C. Prior to frequency encoding
D. Following frequency encoding
Prior to frequency encoding
Permanent magnets with a vertical magnetic field use surface coils that are:
A. Phased array
B. Linear
C. Quadrature
D. Solenoids
Solenoids
Gradient echo sequences can yield either T1 or T2* characteristics, with influences caused by
all of the following EXCEPT:
A. Chemical shift
B. Inhomogeneity
C. Susceptibility
D. Inversion time
Inversion time
In what orientation would a tear of the collateral ligaments of the knee be best visualized?
A. Sagittal
B. Axial
C. Transverse
D. Coronal
E. None of the above
Coronal
RF energy used in MRI is classified as:
A. Low energy, nonionizing radiation
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MRI ARMRIT Exam
B. Low energy, ionizing radiation
C. High energy, nonionizing radiation
D. High energy, ionizing radiation
Low energy, nonionizing radiation
On T1 weighted images of the spine, the CSF (cerebrospinal fluid) appears:
A. Isointense to the spinal cord
B. Hypointense to the spinal cord
C. Hyperintense to the spinal cord
D. None of the above
Hypointense to the spinal cord
Single order gradient moment nulling does not compensate for:
A. Constant velocity flow
B. Accelerated flow
C. Reverse flow
D. B and C
B and C
The gradient rise time is defined as the:
A. Time it takes longitudinal magnetization to regrow
B. Time between TI and initial RF pulse
C. Speed rate of ascent or descent of a gradient from zero to its maximum amplitude
D. Time it takes for the gradient to reach its full amplitude
Time it takes for the gradient to reach its full amplitude
In an MRA sequence, the removal of signal from vessels is accomplished by:
A. Spectral presaturation
B. Spatial presaturation
C. Gradient moment nulling
D. B and C
E. None of the above
Spatial presaturation
CSF suppression is performed with which type of technique?
A. FLAIR
B. STIR
C. SPGR
D. FISP
FLAIR