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In nuclear medicine: a. Radio pharmaceuticals with a shorter half-life result in a lower patient dose b. When preparing radio pharmaceuticals, syringes with a heavy metal sleeve block almost all radiation to the fingers c. Breast-feeding should be avoided for 72 h following administration of a radio nuclide d. An ARSAC certificate is valid for 5 years e. The dose to the patient is directly proportional to the number of images taken |
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Answer» a. True. The dose to an organ increases in proportion to the following: i. The effective half-life ii. The fraction taken up by the organ iii. The activity administered to the patient iv. The energy of alpha and beta radiation emitted. b. False. c. False. Breast-feeding should be avoided for 24 h. d. True. e. False. The number of images taken is independent of the dose to the patient in nuclear medicine examination. |
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