MRI Procedures Final Exam with All Correct & 100%
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Graded A+ (Just Released)
An implant with this label (yellow triangle) would require ✔Correct Answer-Strict manufacturer
guidelines be followed (field strength, scan parameters, duration) to ensure patient safety
The general public is limited to a magnetic field strength of ___________ ✔Correct Answer-5 gauss
ACR recommended Zone 4 signage designates an area intended for: ✔Correct Answer-screened
MRI patients under constant direction supervision of trained MR personnel
SAR stands for ✔Correct Answer-specific absorption rate
When moving blood enters a magnetic field, an effect on the ECG seen as a "T wave swelling" or
spike occurs, also known as ✔Correct Answer-magnetohydrodynamic effect
The percentage of patients reported to have a reactions to gadolinium MRI contrast are ✔Correct
Answer-less than 1%
The primary effect of the Static Magnetic field is ✔Correct Answer-missile effect
The only way to fully shut down the magnet is to ✔Correct Answer-quench
The dangers from the Time Varying Magnetic Field include all of the following except ✔Correct
Answer-Tissue Heating
The acronym TR represents: ✔Correct Answer-Time of Repetition
The acronym TE represents ✔Correct Answer-Time of Echo
The tissue weighting of T1 represents the longitudinal relaxation tissue, this will produce an image
where ✔Correct Answer-fat is bright, water is dark
The tissue weighting of T2 represents the longitudinal relaxation of tissue, this will produces an
image where ✔Correct Answer-Fat is dark, water is bright
Fast spin Echoes are fast because they have ✔Correct Answer-more than one line of K space
acquired in each TR period
CSF suppression is performed with which type of technique? ✔Correct Answer-FLAIR
The imaging technique that is most sensitive to magnetic susceptibility ✔Correct Answer-gradient
echo
The factor that has a direct effect on scan time is ✔Correct Answer-NSA/NEX
By increasing TR how is SNR effected? ✔Correct Answer-increases
, What does the letter F represent in the figure below? ✔Correct Answer-180 RF pulses (Echo Train)
To evaluate the intervertebral disc in the lumbar spine, imaging on generally performed in the:
✔Correct Answer-axial/oblique imaging plane
If a patient has metal hardware from previous spinal surgery, the ______ sequence should be
avoided due to prominence of susceptibility artifacts. ✔Correct Answer-gradient echo
For patients that have undergone surgery for herniated disc in the lumbar spine, gadolinium contrast
enhancement can be utilized to distinguish recurrent disc from post-operative scar tissue because
✔Correct Answer-disc enhances more slowly than post operative scar
If cord compression at an unknown level is suspected which exam would be most appropriate to
conduct ✔Correct Answer-total spine
The optimal imaging plane for evaluation of the degree of curvature due to scoliosis would be
✔Correct Answer-coronal
Which imaging plane would best display both the dorsal and ventral nerve roots? ✔Correct
Answer-axial
The __________ is the spinal region that is LEAST affected by cerebrospinal fluid (CSF) pulsation
✔Correct Answer-lumbar
An indication for injecting a patient with Gadolinium contrast for an MRI of the lumbar spine would
be: ✔Correct Answer-prior surgery
On T2 weighted images of the spine, the CSF appears ✔Correct Answer-hyperintense to spinal cord
When utilizing a Rectangular FOV in the cervical spine, the longitudinal axis should be running
__________ ✔Correct Answer-S-I
When imaging the shoulder, the coronal online scan plane is orientated parallel to the _______
muscle and perpendicular to hte glenoid fossa ✔Correct Answer-supraspinatus
The optimal imaging plane to demonstrate the carpal bones and interosseous ligaments would be
the _________ plane ✔Correct Answer-coronal
When imaging extremities what can be used as a marker to show the area of interest for both
radiologist and referring physician ✔Correct Answer-Vitamin E tablets
When prescribing slices for a coronal oblique shoulder try not to angle more than _____ degrees to
avoid flipping images pr incorrect scan planes? ✔Correct Answer-45
Which type of sequences will be most useful in detecting joint fluid? ✔Correct Answer-STIR
Which carpal bone is highlighted in the following figure? (under 3rd metacarpal) ✔Correct Answer-
capitate
Where should th pre saturation pulses be placed in shoulder imaging to help compensate for flow
artifact ✔Correct Answer-inferior and medial
Verified Answers| Actual Complete Exam| Already
Graded A+ (Just Released)
An implant with this label (yellow triangle) would require ✔Correct Answer-Strict manufacturer
guidelines be followed (field strength, scan parameters, duration) to ensure patient safety
The general public is limited to a magnetic field strength of ___________ ✔Correct Answer-5 gauss
ACR recommended Zone 4 signage designates an area intended for: ✔Correct Answer-screened
MRI patients under constant direction supervision of trained MR personnel
SAR stands for ✔Correct Answer-specific absorption rate
When moving blood enters a magnetic field, an effect on the ECG seen as a "T wave swelling" or
spike occurs, also known as ✔Correct Answer-magnetohydrodynamic effect
The percentage of patients reported to have a reactions to gadolinium MRI contrast are ✔Correct
Answer-less than 1%
The primary effect of the Static Magnetic field is ✔Correct Answer-missile effect
The only way to fully shut down the magnet is to ✔Correct Answer-quench
The dangers from the Time Varying Magnetic Field include all of the following except ✔Correct
Answer-Tissue Heating
The acronym TR represents: ✔Correct Answer-Time of Repetition
The acronym TE represents ✔Correct Answer-Time of Echo
The tissue weighting of T1 represents the longitudinal relaxation tissue, this will produce an image
where ✔Correct Answer-fat is bright, water is dark
The tissue weighting of T2 represents the longitudinal relaxation of tissue, this will produces an
image where ✔Correct Answer-Fat is dark, water is bright
Fast spin Echoes are fast because they have ✔Correct Answer-more than one line of K space
acquired in each TR period
CSF suppression is performed with which type of technique? ✔Correct Answer-FLAIR
The imaging technique that is most sensitive to magnetic susceptibility ✔Correct Answer-gradient
echo
The factor that has a direct effect on scan time is ✔Correct Answer-NSA/NEX
By increasing TR how is SNR effected? ✔Correct Answer-increases
, What does the letter F represent in the figure below? ✔Correct Answer-180 RF pulses (Echo Train)
To evaluate the intervertebral disc in the lumbar spine, imaging on generally performed in the:
✔Correct Answer-axial/oblique imaging plane
If a patient has metal hardware from previous spinal surgery, the ______ sequence should be
avoided due to prominence of susceptibility artifacts. ✔Correct Answer-gradient echo
For patients that have undergone surgery for herniated disc in the lumbar spine, gadolinium contrast
enhancement can be utilized to distinguish recurrent disc from post-operative scar tissue because
✔Correct Answer-disc enhances more slowly than post operative scar
If cord compression at an unknown level is suspected which exam would be most appropriate to
conduct ✔Correct Answer-total spine
The optimal imaging plane for evaluation of the degree of curvature due to scoliosis would be
✔Correct Answer-coronal
Which imaging plane would best display both the dorsal and ventral nerve roots? ✔Correct
Answer-axial
The __________ is the spinal region that is LEAST affected by cerebrospinal fluid (CSF) pulsation
✔Correct Answer-lumbar
An indication for injecting a patient with Gadolinium contrast for an MRI of the lumbar spine would
be: ✔Correct Answer-prior surgery
On T2 weighted images of the spine, the CSF appears ✔Correct Answer-hyperintense to spinal cord
When utilizing a Rectangular FOV in the cervical spine, the longitudinal axis should be running
__________ ✔Correct Answer-S-I
When imaging the shoulder, the coronal online scan plane is orientated parallel to the _______
muscle and perpendicular to hte glenoid fossa ✔Correct Answer-supraspinatus
The optimal imaging plane to demonstrate the carpal bones and interosseous ligaments would be
the _________ plane ✔Correct Answer-coronal
When imaging extremities what can be used as a marker to show the area of interest for both
radiologist and referring physician ✔Correct Answer-Vitamin E tablets
When prescribing slices for a coronal oblique shoulder try not to angle more than _____ degrees to
avoid flipping images pr incorrect scan planes? ✔Correct Answer-45
Which type of sequences will be most useful in detecting joint fluid? ✔Correct Answer-STIR
Which carpal bone is highlighted in the following figure? (under 3rd metacarpal) ✔Correct Answer-
capitate
Where should th pre saturation pulses be placed in shoulder imaging to help compensate for flow
artifact ✔Correct Answer-inferior and medial
