what is the remedy for this artifact? (zipper)
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A and/or B
close the scan room door / call the engineer
In order to generate an mr image, the slice select gradient must be turned on during
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RF energy absorption
,if you notice a brain hemorrhage on a patient that you are currently scanning, what
should you do?
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call the radiologist ASAP, send any images to PACS that are completed,
continue to scan the remaining sequences until directed to do otherwise by
the Radiologist.
the purpose of magnetic resonance angiography is to image the:
A) stationary soft tissue
B) blood flow
C) vessel lumen
D) only abnormal vessels
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blood flow
On a T2 weighted image, edema appears bright because it has a _________ relaxation
time.
A. Short T1
B. Short T2
C. Long T1
D. Long T2
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, Long T2
a technique that samples only a part of the echo and extrapolating the remainder in k-
space is known as
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partial echo
when describing overall image quality, which best describes the difference in signal
intensity between 2 adjacent structures divided by noise:
A) resolution
B) signal to noise ration
C) signal averaging
D) interleaving
E) contrast to noise ratio
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contrast to noise ratio
In MR, substances respond to a specific radio frequency which is known as:
A) magnetic frequency
B) radio frequency
C) gyro-magnetic frequency
D) resonance frequency
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, resonance frequency
which of the following is NOT a result of reducing the FOV
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anatomical structures are displayed smaller in the image
calculate the scan time for the following pulse sequence: TR 550, TE 12, FM 512, PM
224, NEX 2, FA 90, RBW 15.6
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4 min 6 sec
WAVE
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THE PROPAGATION OF A WAVELENGTH OF ENERGY THAT HAS THE
DIMENSION OF PERIOD, FREQUENCY AND AMPLITUDE
Which intracranial artery passes through the sylvian fissure
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A and/or B
close the scan room door / call the engineer
In order to generate an mr image, the slice select gradient must be turned on during
Give this one a try later!
RF energy absorption
,if you notice a brain hemorrhage on a patient that you are currently scanning, what
should you do?
Give this one a try later!
call the radiologist ASAP, send any images to PACS that are completed,
continue to scan the remaining sequences until directed to do otherwise by
the Radiologist.
the purpose of magnetic resonance angiography is to image the:
A) stationary soft tissue
B) blood flow
C) vessel lumen
D) only abnormal vessels
Give this one a try later!
blood flow
On a T2 weighted image, edema appears bright because it has a _________ relaxation
time.
A. Short T1
B. Short T2
C. Long T1
D. Long T2
Give this one a try later!
, Long T2
a technique that samples only a part of the echo and extrapolating the remainder in k-
space is known as
Give this one a try later!
partial echo
when describing overall image quality, which best describes the difference in signal
intensity between 2 adjacent structures divided by noise:
A) resolution
B) signal to noise ration
C) signal averaging
D) interleaving
E) contrast to noise ratio
Give this one a try later!
contrast to noise ratio
In MR, substances respond to a specific radio frequency which is known as:
A) magnetic frequency
B) radio frequency
C) gyro-magnetic frequency
D) resonance frequency
Give this one a try later!
, resonance frequency
which of the following is NOT a result of reducing the FOV
Give this one a try later!
anatomical structures are displayed smaller in the image
calculate the scan time for the following pulse sequence: TR 550, TE 12, FM 512, PM
224, NEX 2, FA 90, RBW 15.6
Give this one a try later!
4 min 6 sec
WAVE
Give this one a try later!
THE PROPAGATION OF A WAVELENGTH OF ENERGY THAT HAS THE
DIMENSION OF PERIOD, FREQUENCY AND AMPLITUDE
Which intracranial artery passes through the sylvian fissure
Give this one a try later!
