Questions and Answers 100% Pass
What is the primary reason MRI is preferred for brain imaging?
✔✔ Superior soft tissue contrast
Which property of hydrogen atoms makes them useful in MRI?
✔✔ Their magnetic moment and abundance in the body
What happens when radiofrequency pulses are turned off in MRI?
✔✔ The hydrogen nuclei return to alignment, releasing energy
Which sequence is best for visualizing cerebrospinal fluid (CSF)?
✔✔ T2-weighted imaging
Why is MRI useful for detecting ligament injuries?
✔✔ It provides detailed images of soft tissues without radiation
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,Which organ is commonly assessed using magnetic resonance cholangiopancreatography
(MRCP)?
✔✔ Liver and bile ducts
What is the role of an RF coil in MRI?
✔✔ It transmits and receives radiofrequency signals
Which MRI sequence suppresses water signal to highlight fat?
✔✔ T1-weighted imaging
Why do some patients feel claustrophobic during an MRI scan?
✔✔ The scanner has a narrow enclosed space
Which artifact occurs due to patient movement during an MRI scan?
✔✔ Motion artifact
Which MRI technique evaluates blood flow without contrast?
✔✔ Time-of-flight (TOF) angiography
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, What does a high signal on a T1-weighted image indicate?
✔✔ Fat or contrast-enhanced tissue
Which scan technique is used to diagnose muscle injuries?
✔✔ STIR (Short Tau Inversion Recovery)
Why must patients hold their breath during some MRI scans?
✔✔ To reduce motion artifacts from breathing
What is the effect of using a higher field strength MRI scanner?
✔✔ Improved image resolution and signal-to-noise ratio
Which imaging sequence is most sensitive to detecting early stroke?
✔✔ Diffusion-weighted imaging (DWI)
What is the purpose of parallel imaging in MRI?
✔✔ To speed up scan times while maintaining quality
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