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Exercise and reference answers

Questions

1. Answer

   6

   Question

   Hours in the half-life of technetium-99m

2. Answer

   3

   Question

   Dimensions in a SPECT or PET image

3. Answer

   2

   Question

   Quantities divided to find dose, energy and mass

4. Answer

   2

   Question

   Factors multiplied to turn rads into rems

5. Answer

   2

   Question

   SI dose units named, gray and sievert

6. Answer

   1

   Question

   Diseases radiotherapy is used almost exclusively for

Instructions

Type the number only.

Explanation