MRI ARRTCOMPLETE REAL QUESTIONS AND CORRECT
VERIFIED ANSWERS LATEST REVISED EXAM
GUARANTEED PASS A+.
⫸In the TMJ's, the articular disc lies between what two anatomical structures? Answer -
Mandibular fossa and mandibular condyle
⫸When performing MRI to rule out brain tumors, the weighted images acquired to evaluate the
extent of lesion involvement, after injection of gadolinium, are: Answer - T1 Weighted
⫸A major advantage of a 2D time of flight over a 3D time of flight sequence is the ability to:
Answer - Image larger areas without saturation of flowing blood
⫸Phase contrast MRA techniques produce images in which the signal intensity within the
vessel is dependent upon the: Answer - Velocity of flowing blood
⫸In a contrast enhanced MR angiography of the abdominal arteries, the IV gadolinium would
enhance in which order? Answer - Celiac, superior mesenteric, renal, inferior mesenteric
⫸Magnetic field inhomogeneity is expressed in: Answer - parts per million
⫸A technique utilized to reduce the MRI scan time which requires the use of an array coil is:
Answer - Parallel imaging
⫸T2 weighted with fat suppression Answer - Image 1 is an example of what type of MR image?
⫸In an MRA sequence, the removal of signal from vessels is accomplished by: Answer - Spatial
presaturation
⫸Reducing the flip angle yields images with what change in image contrast? Answer - Less T1
information
, ⫸The transmit bandwidth of the RF pulse affects:
A. Spatial resolution
B. SNR
C. Image contrast
D. Slice thickness
E. All of the above
F. A and D only
G. A, B and D only Answer - A, B and D only
⫸In order to generate thin slices, a ___________ is used
.I. Steep slice selection gradient
II. High amplitude slice select gradient
III. Low amplitude slice select gradient
IV. Narrow transmit bandwidth (tBW)
V. Wide transmit bandwidth (tBW)
VI. Narrow receiver bandwidth (rBW) Answer - I, II and IV
⫸The receiver bandwidth (rBW) affects:
I. Signal-to-noise ratio (SNR)
II. Slice thickness
III. Chemical shift
IV. Spatial resolution Answer - I and III only
⫸An adverse reaction or complication caused by treatment from a healthcare professional is
called: Answer - Iatrogenic
⫸________ sequences use T1 gradient echoes with TR and FA selections to suppress signal from
stationary tissues, visualizing flowing blood by flow-related enhancement, whereas __________
sequences use T2 gradient echoes with parameter selections that suppress stationary tissue and
rely on velocity-induced phase shifts for vascular signal. Answer - TOF MRA; PC MRA
⫸Which of the following best describes an EPI sequence? Answer - A train of gradient echoes
VERIFIED ANSWERS LATEST REVISED EXAM
GUARANTEED PASS A+.
⫸In the TMJ's, the articular disc lies between what two anatomical structures? Answer -
Mandibular fossa and mandibular condyle
⫸When performing MRI to rule out brain tumors, the weighted images acquired to evaluate the
extent of lesion involvement, after injection of gadolinium, are: Answer - T1 Weighted
⫸A major advantage of a 2D time of flight over a 3D time of flight sequence is the ability to:
Answer - Image larger areas without saturation of flowing blood
⫸Phase contrast MRA techniques produce images in which the signal intensity within the
vessel is dependent upon the: Answer - Velocity of flowing blood
⫸In a contrast enhanced MR angiography of the abdominal arteries, the IV gadolinium would
enhance in which order? Answer - Celiac, superior mesenteric, renal, inferior mesenteric
⫸Magnetic field inhomogeneity is expressed in: Answer - parts per million
⫸A technique utilized to reduce the MRI scan time which requires the use of an array coil is:
Answer - Parallel imaging
⫸T2 weighted with fat suppression Answer - Image 1 is an example of what type of MR image?
⫸In an MRA sequence, the removal of signal from vessels is accomplished by: Answer - Spatial
presaturation
⫸Reducing the flip angle yields images with what change in image contrast? Answer - Less T1
information
, ⫸The transmit bandwidth of the RF pulse affects:
A. Spatial resolution
B. SNR
C. Image contrast
D. Slice thickness
E. All of the above
F. A and D only
G. A, B and D only Answer - A, B and D only
⫸In order to generate thin slices, a ___________ is used
.I. Steep slice selection gradient
II. High amplitude slice select gradient
III. Low amplitude slice select gradient
IV. Narrow transmit bandwidth (tBW)
V. Wide transmit bandwidth (tBW)
VI. Narrow receiver bandwidth (rBW) Answer - I, II and IV
⫸The receiver bandwidth (rBW) affects:
I. Signal-to-noise ratio (SNR)
II. Slice thickness
III. Chemical shift
IV. Spatial resolution Answer - I and III only
⫸An adverse reaction or complication caused by treatment from a healthcare professional is
called: Answer - Iatrogenic
⫸________ sequences use T1 gradient echoes with TR and FA selections to suppress signal from
stationary tissues, visualizing flowing blood by flow-related enhancement, whereas __________
sequences use T2 gradient echoes with parameter selections that suppress stationary tissue and
rely on velocity-induced phase shifts for vascular signal. Answer - TOF MRA; PC MRA
⫸Which of the following best describes an EPI sequence? Answer - A train of gradient echoes
