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Which imaging sequence is best for detecting early ischemic stroke?
A. T1-weighted imaging
B. Gradient echo
C. FLAIR
✔✔D. Diffusion-weighted imaging (DWI)
What is the primary advantage of using fat suppression in musculoskeletal MRI?
A. It reduces scan time
B. It increases T2 relaxation
✔✔C. It improves contrast between fat and pathology
D. It enhances bone signal
Which parameter is most useful for evaluating multiple sclerosis plaques?
✔✔A. FLAIR sequence
B. Gradient echo
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,C. Proton density imaging
D. Time-of-flight angiography
What is the main benefit of using gadolinium contrast in brain MRI?
A. It increases scan speed
✔✔B. It highlights areas of blood-brain barrier disruption
C. It reduces motion artifacts
D. It improves T1-weighted image contrast
Which MRI sequence is most sensitive for detecting bone marrow edema?
A. T1-weighted imaging
✔✔B. STIR (Short Tau Inversion Recovery)
C. Gradient echo
D. Proton density
What is the primary indication for using MR enterography?
✔✔A. Evaluating inflammatory bowel disease
B. Detecting liver lesions
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,C. Assessing kidney function
D. Measuring cardiac output
Which sequence is best for evaluating cartilage integrity in knee MRI?
A. Time-of-flight angiography
✔✔B. T2 mapping
C. Diffusion-weighted imaging
D. Echo-planar imaging
Which condition is best visualized using susceptibility-weighted imaging (SWI)?
✔✔A. Cerebral microbleeds
B. Brain tumors
C. White matter lesions
D. Hydrocephalus
Why is MRCP (Magnetic Resonance Cholangiopancreatography) used in abdominal imaging?
✔✔A. To evaluate the bile and pancreatic ducts
B. To detect liver metastases
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, C. To measure kidney function
D. To assess bowel obstruction
Which MRI sequence is most useful in detecting ligament injuries?
A. FLAIR
B. Gradient echo
✔✔C. Proton density with fat suppression
D. Diffusion-weighted imaging
What is the best imaging sequence for diagnosing avascular necrosis (AVN)?
A. Time-of-flight
✔✔B. T1-weighted imaging
C. Echo-planar imaging
D. Diffusion-weighted imaging
Why is cardiac MRI performed with cine sequences?
✔✔A. To assess heart function and motion
B. To improve contrast resolution
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