MRIQuiz Full Exam Questions 2024/2025 with 100% correct answers
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Course
MRIQ
Institution
MRIQ
Magnetic susceptibility artifacts are more prominent with _____________ sequences.
A. Inversion recovery
B. Spin echo
C. Gradient echo
D. Fast spin echo correct answersC (gradient echo)
A remedy for a Gibbs truncation artifact would be:
A. Increase the field of view
B. Reduce the number ...
Magnetic susceptibility artifacts are more prominent with _____________ sequences.
A. Inversion recovery
B. Spin echo
C. Gradient echo
D. Fast spin echo correct answersC (gradient echo)
A remedy for a Gibbs truncation artifact would be:
A. Increase the field of view
B. Reduce the number of phase encodings
C. Increase the number of phase encodings
D. Decrease the TE correct answersC (Increase the number of phase encodings)
The largest ventricle in the heart is the:
A. Right ventricle
B. Right ventricle
C. Left ventricle
D. Left ventricle
E. Left atrium correct answersC (left ventricle)
Calculate the effective TR for a patient with a heart rate of 70 beats / min.
A. 692 ms
B. 857 ms
C. 1024 ms
D. 1223 ms correct answersB (857 ms)
,The HEIGHT of a peak on an MR spectrum correlates to the _________ of a substance that was detected.
A. Frequency
B. T1 weighting
C. T2 weighting
D. Amount
E. Susceptibility correct answersD (amount)
Contrast in Diffusion Weighted Imaging (DWI) depends on:
I. The degree to which molecular mobility is impaired (water restriction)
II. The sensitivity of the sequence to Brownian motion
III. T1 relaxation time
IV. The direction of water diffusion
V. T2 relaxation time
A. I and II only
B. I, II and III
C. I, II and IV
D. I, II, III and IV
E. I, II, III, IV and V correct answersC (I, II and IV)
The final result in a perfusion study is:
A. A spectrum of specific detected metabolites
B. MIPped images of vascular anatomy
C. Calculated MPR images of a 3D data set
D. A set of calculated images which indicate various flow characteristics correct answersD
The final result in a spectroscopy study is:
A. A spectrum of specific detected metabolites
B. MIPped images of vascular anatomy
,C. Calculated MPR images of a 3D data set
D. A set of calculated images which indicate various flow characteristics correct answersA
The imaging technique that employs a very rapid pulse sequence while the patient is at rest or
performing a task is:
A. Perfusion
B. Functional MRI
C. MR Spectroscopy
D. Diffusion Tensor Imaging
E. Cardiac Viability correct answersB (functional MRI)
If the TR in a gradient echo sequence is less than the T2 (or T2*), the resulting condition is known as:
A. Spin down
B. Steady state
C. Spin dephasement
D. Thermal equilibrium correct answersB (steady state)
A gradient echo sequence in which all the remaining residual transverse magnetization is removed prior
to the next excitation pulse is known as:
A. Incoherent or spoiled
B. Steady state
C. Magnetization prepped
D. Dual IR correct answersA (incoherent or spoiled)
In a Fast Spin Echo (FSE) sequence, acquired with a long TE, yielding T2 weighted images, SCAN TIME can
be reduced by:
A. Increasing the FOV
B. Increasing NEX
C. Using shorter ETL
D. Using longer ETL
, E. Increasing phase encodings correct answersD (Using longer ETL)
In a Fast Spin Echo (FSE) sequence, acquired with a short echo time (TE), yielding T1 or PD weighted
images, BLURRING can be reduced by:
A. Increasing the FOV
B. Increasing NEX
C. Using shorter ETL
D. Using longer ETL
E. Increasing phase encodings correct answersC (using shorter ETL)
The structures that comprise the rotator cuff in the shoulder are:
I. Deltoid muscle
II. Subscapularis muscle and tendon
III. Infraspinatus muscle and tendon
IV. Teres minor muscle and tendon
V. Supraspinatus muscle and tendon
VI. Trapezius muscle and tendon
A. I and II only
B. I, III and V
C. I, III, V and VI
D. II, III, IV and V
E. II, III, IV, V and VI
F. All of the above correct answersD (II, III, IV and V)
T2 weighted FLAIR (fluid attenuated inversion recovery) sequences are typically used for evaluation of:
A. Intra-articular cartilage
B. Adrenal adenoma
C. Fatty liver
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