LT EFFECTS RADIATION HIGH YIELD

Question 1

somatic damage can cause?

Answer 1

cataracts
thyroid nodules/cancer
shortened life span
cancer like leukemia
fetal effects

Question 2

acute threshold for cataracts?

fractionated threshold?

latent period?

Answer 2

2 Gy

10 Gy

5-30 years, average being 15 years

Question 3

where do thyroid nodules occur?

which gender is more susceptible?

kids?

Answer 3

follicular epithelium

3x

kids<5 yrs are more susceptible

Question 4

how did somatic damage affect radiologist back then like in the 1930s?

generally per rad?

affect in high doses? low doses?

Answer 4

5 years less than everyone else

10 days/rad

high doses-death from parenchyma, low doses-death from cancer

Question 5

most common cancer from somatic damage?

what is the effect?

Answer 5

leukemia

stochastic effect

Question 6

when somatic damage affects the fetus, when is the most sensitive period?

Answer 6

first trimester

Question 7

when somatic damage affects the fetus in the first 2 weeks, what is the effect high and low dose?

Answer 7

high dose- spontaneous abortion/death

low dose- not much effect

Question 8

when somatic damage affects the fetus 2-8 weeks, what is the effect?

Answer 8

temporary growth retardation
skeletal anomalies
congenital abnormalities

Question 9

when somatic damage affects the fetus 8-15 weeks, what is the effect?

Answer 9

functional CNS disorders like mental retardation

structural CNS disorders like microcephaly

permanent growth retardation