A chemical or spectral fat suppression sequence will suppress the signal from fat
based on:
a)The precessional frequency of fat
b)The amount of fat in the target slice
c)The T2 relaxation time of fat
d)a and c
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a)The precessional frequency of fat
In a conventional spin echo multi-echo sequence, it is possible to create multiple
images, each with different amounts of:
a)T1 weighting
b)Phase encoding
c)T2 weighting
d)Spatial resolution
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c)T2 weighting
Cine studies are often performed on various joints. The main purpose of such a study
is to:
a)Visualize motion and function
b)Visualize blood flow
c)Measure muscle strength
d)Impress referring physicians
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a)Visualize motion and function
In a fast spin echo sequence, the central lines of K space are associated with:
a)The image's spatial resolution
b)The TR
c)The effective TE
d)The scan time
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c)The effective TE
Single order gradient moment nulling does not compensate for:
a)Accelerated flow
b)Reverse flow
, c)Constant velocity flow
d)a and b
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d)a and b
Doubling the number of signals averaged (NSA) will:
a)Decrease the SNR
b)Increase the SNR
c)Double the SNR
d)Not affect the SNR
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b)Increase the SNR
The gradient that is on during the production of the echo is the:
a)Phase
b)Slice selection
c)Frequency
d)Oblique
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c)Frequency
Increasing the matrix in the frequency direction from 256 to 512 will:
a)Reduce the scan time
based on:
a)The precessional frequency of fat
b)The amount of fat in the target slice
c)The T2 relaxation time of fat
d)a and c
Give this one a try later!
a)The precessional frequency of fat
In a conventional spin echo multi-echo sequence, it is possible to create multiple
images, each with different amounts of:
a)T1 weighting
b)Phase encoding
c)T2 weighting
d)Spatial resolution
,Give this one a try later!
c)T2 weighting
Cine studies are often performed on various joints. The main purpose of such a study
is to:
a)Visualize motion and function
b)Visualize blood flow
c)Measure muscle strength
d)Impress referring physicians
Give this one a try later!
a)Visualize motion and function
In a fast spin echo sequence, the central lines of K space are associated with:
a)The image's spatial resolution
b)The TR
c)The effective TE
d)The scan time
Give this one a try later!
c)The effective TE
Single order gradient moment nulling does not compensate for:
a)Accelerated flow
b)Reverse flow
, c)Constant velocity flow
d)a and b
Give this one a try later!
d)a and b
Doubling the number of signals averaged (NSA) will:
a)Decrease the SNR
b)Increase the SNR
c)Double the SNR
d)Not affect the SNR
Give this one a try later!
b)Increase the SNR
The gradient that is on during the production of the echo is the:
a)Phase
b)Slice selection
c)Frequency
d)Oblique
Give this one a try later!
c)Frequency
Increasing the matrix in the frequency direction from 256 to 512 will:
a)Reduce the scan time
