MRI Registry Review Questions
(Advanced Applications) Latest Version
Already Passed
Which imaging technique is most commonly used for detecting brain perfusion abnormalities?
A. T1-weighted imaging
B. Diffusion-weighted imaging
C. Time-of-flight angiography
✔✔D. Dynamic susceptibility contrast MRI
What is the main advantage of using parallel imaging in MRI?
A. Increased signal-to-noise ratio
B. Enhanced spatial resolution
C. Reduced field inhomogeneities
✔✔D. Shorter scan times
Which sequence is best suited for detecting microhemorrhages in the brain?
A. Inversion recovery
B. Turbo spin echo
1
,✔✔C. Susceptibility-weighted imaging
D. Fluid-attenuated inversion recovery
How does increasing the number of excitations (NEX) impact image quality?
✔✔A. Increases signal-to-noise ratio
B. Reduces spatial resolution
C. Decreases scan time
D. Eliminates motion artifacts completely
What is the primary purpose of arterial spin labeling (ASL) in MRI?
A. Enhancing diffusion contrast
✔✔B. Measuring cerebral blood flow without contrast agents
C. Improving fat suppression
D. Reducing motion artifacts
Which MRI sequence is preferred for evaluating cartilage integrity?
✔✔A. T2 mapping
B. Short tau inversion recovery
2
,C. Susceptibility-weighted imaging
D. Diffusion-weighted imaging
What is the role of cardiac gating in MRI?
A. Reducing susceptibility artifacts
B. Enhancing spatial resolution
✔✔C. Synchronizing image acquisition with the cardiac cycle
D. Improving contrast enhancement
Which parameter is most responsible for improving spatial resolution in MR angiography?
A. Repetition time (TR)
B. Echo time (TE)
✔✔C. Matrix size
D. Flip angle
Which technique is most effective for detecting white matter lesions in multiple sclerosis?
A. Gradient echo
B. T1-weighted imaging
3
, ✔✔C. FLAIR (Fluid-Attenuated Inversion Recovery)
D. Time-of-flight angiography
What is the primary benefit of using diffusion tensor imaging (DTI)?
A. Enhancing soft tissue contrast
✔✔B. Mapping white matter fiber tracts in the brain
C. Detecting blood flow abnormalities
D. Suppressing fat signal
Which MRI method is used to visualize neuronal activation in the brain?
A. Time-of-flight imaging
B. Susceptibility-weighted imaging
C. Diffusion-weighted imaging
✔✔D. Functional MRI (fMRI)
Which factor contributes most to scan time reduction in MR imaging?
✔✔A. Echo planar imaging
B. Decreasing field strength
4
(Advanced Applications) Latest Version
Already Passed
Which imaging technique is most commonly used for detecting brain perfusion abnormalities?
A. T1-weighted imaging
B. Diffusion-weighted imaging
C. Time-of-flight angiography
✔✔D. Dynamic susceptibility contrast MRI
What is the main advantage of using parallel imaging in MRI?
A. Increased signal-to-noise ratio
B. Enhanced spatial resolution
C. Reduced field inhomogeneities
✔✔D. Shorter scan times
Which sequence is best suited for detecting microhemorrhages in the brain?
A. Inversion recovery
B. Turbo spin echo
1
,✔✔C. Susceptibility-weighted imaging
D. Fluid-attenuated inversion recovery
How does increasing the number of excitations (NEX) impact image quality?
✔✔A. Increases signal-to-noise ratio
B. Reduces spatial resolution
C. Decreases scan time
D. Eliminates motion artifacts completely
What is the primary purpose of arterial spin labeling (ASL) in MRI?
A. Enhancing diffusion contrast
✔✔B. Measuring cerebral blood flow without contrast agents
C. Improving fat suppression
D. Reducing motion artifacts
Which MRI sequence is preferred for evaluating cartilage integrity?
✔✔A. T2 mapping
B. Short tau inversion recovery
2
,C. Susceptibility-weighted imaging
D. Diffusion-weighted imaging
What is the role of cardiac gating in MRI?
A. Reducing susceptibility artifacts
B. Enhancing spatial resolution
✔✔C. Synchronizing image acquisition with the cardiac cycle
D. Improving contrast enhancement
Which parameter is most responsible for improving spatial resolution in MR angiography?
A. Repetition time (TR)
B. Echo time (TE)
✔✔C. Matrix size
D. Flip angle
Which technique is most effective for detecting white matter lesions in multiple sclerosis?
A. Gradient echo
B. T1-weighted imaging
3
, ✔✔C. FLAIR (Fluid-Attenuated Inversion Recovery)
D. Time-of-flight angiography
What is the primary benefit of using diffusion tensor imaging (DTI)?
A. Enhancing soft tissue contrast
✔✔B. Mapping white matter fiber tracts in the brain
C. Detecting blood flow abnormalities
D. Suppressing fat signal
Which MRI method is used to visualize neuronal activation in the brain?
A. Time-of-flight imaging
B. Susceptibility-weighted imaging
C. Diffusion-weighted imaging
✔✔D. Functional MRI (fMRI)
Which factor contributes most to scan time reduction in MR imaging?
✔✔A. Echo planar imaging
B. Decreasing field strength
4
