module 5

Question 1

deterministic radiation response

Answer 1

minimum necessary to cause a change

Question 2

threshold-type dose-response

Answer 2

severity of the response increases with increasing
dose in a nonlinear fashion

Question 3

Stochastic (chance) = nonthreshold, linear

Answer 3

Malignancy, genetic effects, life span shortening

Question 4

Deterministic Effects (non stochastic) = threshold, nonlinear

Answer 4

Hematologic depression, erythema, epilation

Question 5

Acute radiation lethality follows a _____, _______ relationship

Answer 5

Nonlinear; threshold dose-response

Question 6

The LD 50/60 is the whole-body radiation dose that causes ____% of irritated subjects to die within __ days

Answer 6

50; 60

Question 7

Acute radiation lethality is measured quantitatively by the LD 50/60…

Answer 7

Approx. 3.5 gyt for humans

Question 8

Occupational monitoring

Answer 8

Required when someone may receive more than 10% of the recommended dose
5rem/yr

Question 9

Primary radiation

Answer 9

Useful beam

Question 10

Secondary radiation

Answer 10

Scatter and leakage

Question 11

ORP

Answer 11

Optimization for radiation protection

Question 12

Cardinal rule of radiation protection

Answer 12

Time, distance, shielding.