Exam-style question
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Explain the role of the collimator in a gamma camera.
Model answer
What a good answer should say
- The collimator in a gamma camera is used to ensure that only gamma photons traveling in specific directions reach the scintillation crystal, improving image resolution and reducing scatter.
Explanation
Why this works
This question assesses the student's ability to explain the function of a specific component of a gamma camera. Understanding the role of the collimator is crucial for grasping how gamma cameras enhance image quality in medical diagnostics.
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