Exam-style question
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What is the role of signal detection in MRI image formation?.
- A.It enhances the contrast of the images.
- B.It converts radio waves into electrical signals.
- C.It determines the strength of the magnetic field.
- D.It adjusts the frequency of the radio waves.
Model answer
What a good answer should say
- It converts radio waves into electrical signals.
Explanation
Why this works
In MRI, the detected signals from the body's tissues are converted from radio waves into electrical signals, which are then processed to form images. This is crucial for creating detailed images of internal structures.
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