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1. When imaging a geriatric patient, while per- VENC
forming a PCA MRA sequence, what imaging
parameter might the operator adjust?
A. Field of view
B. Presaturation band location
C. Slice thickness
D. VENC
E. Contrast injection rate
2. As the number of phase encodings is in- Decreases
creased from 256 to 512, SNR (signal to noise
ratio):
A. Increases
B. Decreases
C. Doubles
D. Does not change
E. Quadruples
3. A magnetic vector possesses attributes of Magnitude; direction
both and .
A. Strength; magnitude
B. Direction; purpose
C. Strength; flow
D. Magnitude; direction
4. What element in the body is the principal Hydrogen
nucleus utilized in clinical MR imaging?
A. Helium
B. Hydrogen
C. Oxygen
D. Calcium
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5. Which of the following best describes an IR A 180° pulse followed by a 90°/180°
sequence? combination
A. A 180° pulse followed by a 90°/180° com-
bination
B. A 90° pulse followed by a 180° pulse
C. A train of gradient echoes
D. A train of spin echoes
6. Gradient echo sequences requiring high sig- Incoherent gradient echo
nal from fluid are known as all of the follow-
ing EXCEPT:
A. T2* gradient echo
B. Steady-state gradient echo
C. Coherent gradient echo
D. Incoherent gradient echo
7. The medial and lateral rectus muscles are lo- Eyes
cated in the:
A. Ears
B. Posterior pelvic region
C. Proximal calves
D. Eyes
E. Superior shoulder regions
F. Soft tissues of the neck
8. Reducing the number of lines filled in k-space A, D and E only
will produce an image:
A. With a decrease in spatial resolution
Reducing the number of lines filled in
B. With a increase in spatial resolution
k-space reduces the number of phase
C. With an decrease in overall SNR
encoding steps, resulting in shorter
D. With an increase in overall SNR
scan time, an increase in overall SNR,
E. With a reduced overall scan time
but a decrease in spatial resolution.
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F. B, C and E only
G. A, D and E only
9. The smallest object that can be resolved in an 0.88mm
image acquired with a 24cm FOV and a 272 x
272 matrix is mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mm
10. To produce an image based on differences in Short
T1, the time interval between 90° excitation
pulses should be:
A. Long
B. Short
C. Refocussed
D. Inverted
11. The energy used to form MRI images is Emitted from
the patient's tissues.
A. Emitted from
B. Attenuated by
C. Amplified from
D. Reflected off
12. Referencing the Centers for Disease Control Standard (universal)
and Prevention (CDC), what type of isolation
precautions should be used for HIV-positive
patients in the MRI suite?
A. Respiratory
B. Droplet
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C. Standard (universal)
D. Enteric
E. Contact
13. could be used to line the walls Steel; passive
and/or floors of the MR magnet room to
reduce the fringe field, and is defined as
shielding.
A. Copper; active
B. Steel; active
C. Copper; passive
D. Steel; passive
E. Lead; active
14. If the TR in a gradient echo sequence is less Steady state
than the T2 (or T2*), the resulting condition
is known as:
A. Spin down
B. Steady state
C. Spin dephasement
D. Thermal equilibrium
15. Which type of blood cell is responsible for Leukocyte
phagocytosis?
A. Leukocyte
B. Erythrocyte
C. Lymphocyte
D. Platelet
16. Which of the following, in an MRA sequence, C and D
aids in minimizing the loss of signal due to
dephasing within a voxel:
A. Long TE
100% Correct Detailed Answers Guaranteed Pass!!
1. When imaging a geriatric patient, while per- VENC
forming a PCA MRA sequence, what imaging
parameter might the operator adjust?
A. Field of view
B. Presaturation band location
C. Slice thickness
D. VENC
E. Contrast injection rate
2. As the number of phase encodings is in- Decreases
creased from 256 to 512, SNR (signal to noise
ratio):
A. Increases
B. Decreases
C. Doubles
D. Does not change
E. Quadruples
3. A magnetic vector possesses attributes of Magnitude; direction
both and .
A. Strength; magnitude
B. Direction; purpose
C. Strength; flow
D. Magnitude; direction
4. What element in the body is the principal Hydrogen
nucleus utilized in clinical MR imaging?
A. Helium
B. Hydrogen
C. Oxygen
D. Calcium
, ARRT MRI Mock Registry Actual Exam Questions With Reviewed
100% Correct Detailed Answers Guaranteed Pass!!
5. Which of the following best describes an IR A 180° pulse followed by a 90°/180°
sequence? combination
A. A 180° pulse followed by a 90°/180° com-
bination
B. A 90° pulse followed by a 180° pulse
C. A train of gradient echoes
D. A train of spin echoes
6. Gradient echo sequences requiring high sig- Incoherent gradient echo
nal from fluid are known as all of the follow-
ing EXCEPT:
A. T2* gradient echo
B. Steady-state gradient echo
C. Coherent gradient echo
D. Incoherent gradient echo
7. The medial and lateral rectus muscles are lo- Eyes
cated in the:
A. Ears
B. Posterior pelvic region
C. Proximal calves
D. Eyes
E. Superior shoulder regions
F. Soft tissues of the neck
8. Reducing the number of lines filled in k-space A, D and E only
will produce an image:
A. With a decrease in spatial resolution
Reducing the number of lines filled in
B. With a increase in spatial resolution
k-space reduces the number of phase
C. With an decrease in overall SNR
encoding steps, resulting in shorter
D. With an increase in overall SNR
scan time, an increase in overall SNR,
E. With a reduced overall scan time
but a decrease in spatial resolution.
, ARRT MRI Mock Registry Actual Exam Questions With Reviewed
100% Correct Detailed Answers Guaranteed Pass!!
F. B, C and E only
G. A, D and E only
9. The smallest object that can be resolved in an 0.88mm
image acquired with a 24cm FOV and a 272 x
272 matrix is mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mm
10. To produce an image based on differences in Short
T1, the time interval between 90° excitation
pulses should be:
A. Long
B. Short
C. Refocussed
D. Inverted
11. The energy used to form MRI images is Emitted from
the patient's tissues.
A. Emitted from
B. Attenuated by
C. Amplified from
D. Reflected off
12. Referencing the Centers for Disease Control Standard (universal)
and Prevention (CDC), what type of isolation
precautions should be used for HIV-positive
patients in the MRI suite?
A. Respiratory
B. Droplet
, ARRT MRI Mock Registry Actual Exam Questions With Reviewed
100% Correct Detailed Answers Guaranteed Pass!!
C. Standard (universal)
D. Enteric
E. Contact
13. could be used to line the walls Steel; passive
and/or floors of the MR magnet room to
reduce the fringe field, and is defined as
shielding.
A. Copper; active
B. Steel; active
C. Copper; passive
D. Steel; passive
E. Lead; active
14. If the TR in a gradient echo sequence is less Steady state
than the T2 (or T2*), the resulting condition
is known as:
A. Spin down
B. Steady state
C. Spin dephasement
D. Thermal equilibrium
15. Which type of blood cell is responsible for Leukocyte
phagocytosis?
A. Leukocyte
B. Erythrocyte
C. Lymphocyte
D. Platelet
16. Which of the following, in an MRA sequence, C and D
aids in minimizing the loss of signal due to
dephasing within a voxel:
A. Long TE
