Radiation risks

Question 1

When x-rays interact with atoms in tissues, energetic recoild ___ and ___ are produced

Answer 1

Compton electrons and photoelectrons

Question 2

highest sensitivities occur when cells are undifferentiated and have high mitotic rates

Answer 2

Law of Bargonie and Tribondeau

Question 3

a.k.a. harmful tissue reactions

Answer 3

Deterministic effects

Question 4

Primarilty occur at high doses an dare generally a direct result of cell killing

Answer 4

Deterministic effects

Question 5

carcinogenesis and induction of hereditary effects in the offspring of irradiated individuals

Answer 5

Stochastic effects

Question 6

Level x -ray dose

Answer 6

5Gy

Question 7

Whole body doese above 2Gy

Answer 7

Sterilizes stem cells

Reduce circulating blood elements within 2 or 3 weeks (hematopoietic syndrom)

Question 8

Erythem is possible in _ and _ Gy

Answer 8

2 and 5 Gy

Question 9

Cataract induction threshold dose

Answer 9

0.5 Gy

Question 10

Dose that can produce diminished sperm count

Answer 10

0.2 Gy

Question 11

Dose causing permanent sterility in men

Answer 11

6Gy

Question 12

Dose that can resulit in permanent sterility inpremenopausal women

Answer 12

2 Gy