Exam-style question
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What is the role of the scintillator in a gamma camera?.
- A.To absorb gamma photons and emit visible light
- B.To focus gamma photons onto the detector
- C.To amplify the electrical signals from the detector
- D.To filter out unwanted radiation
Model answer
What a good answer should say
- To absorb gamma photons and emit visible light
Explanation
Why this works
The scintillator absorbs gamma photons and converts them into visible light, which is then detected by photomultiplier tubes for image formation.
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