The relation between gray and rad is given as: 1 Gy = _ rad
Correct answer: D. 100
- A. 0.01
- B. 0.001
- C. 10
- D. 100
Explanation
The correct statement is D. 0.001. The relation between gray and rad is 1 Gy = 100 rad.
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About Biological and Medical Uses of Radiation
Radiation in medicine includes X-rays and gamma rays for imaging, radioactive tracers for diagnosis, and controlled radiation for destroying cancerous tissue. The topic also covers CT scans, PET imaging, radiotherapy, sterilisation, half-life and dosage, alongside biological damage, shielding and the need to balance diagnostic or therapeutic benefit against exposure.
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