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ARMRIT 2024 Practice Test #2 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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ARMRIT 2024 Practice Test #2 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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MRI Armrit Practice Test #21.An analogy for the decoding of the MR signal through Fourier transform is:
A)Basilar membrane processing sound
B)None deciphering
C)Kidneys processing fluids
D)Liver processing alcohol
ANS : A) Basilar membrane processing sound
2.For the following Spin-Echo protocol:
Fov: 320 TE: 25 TR: 500 ST: .5m Slice Gap: 1mm Slice #: 9 Nex: 4 Matrix: 192
Decreasing the NEX will:
A)Increase SNR and Resolution
B)Decrease SNR and Resolution
C)Increase scan time D)have no effect on scan time
ANS : A) Increase SNR and Resolution
3.In an inversion recovery pulse sequence, what T1 will produce a STIR Fat suppressed pulse sequence?
A) 80-120
B) 180-300
C) 300-500
D) 500-800
ANS : A) 80-120
4.For the following Spin-Echo protocol:
FOV: 320 TR: 500 Te: 25 ST: .5mm Slice Gap: 1mm
Slice #: 9 Nex: 4 Matrix: 192 Decreasing the TE:
A)Decrease the # of allowable slices
B)Increase the # of allowable slices
C)Increase scan time
D)Decrease scan time
ANS : B) Increase the # of allowable slices .In spatial localization, which factor most affects slice thickness and posi- tion?
A)Bandwidth and strength of the Gs
B)Direction of Gs
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