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Medical imaging

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Question 3

Positron emission tomography (PET) scans are widely used in medical imaging. Which physical phenomenon is directly responsible for producing the pair of gamma-ray photons detected by a PET scanner?

A

Pair production

B

Photoelectric effect

C

Compton scattering

D

Electron-positron annihilation

Markscheme

Medical imaging Questions

  1. A Level
  2. /Physics
  3. /Medical imaging

25 exam-style questions on OCR A A Level Physics Medical imaging, covering Using X-rays, Diagnostic methods in medicine, and Using ultrasound. Each one has a worked solution and a mark scheme showing where the marks go.

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