Chapter 36 Stochastic Effects of Radiation-Bushong Test Bank

Chapter 36 Stochastic Effects of Radiation Bushong: Radiologic Science for
Technologists




MULTIPLE CHOICE


1. Radiation protection guidelines are based on .
a. stochastic effects of radiation
b. deterministic effects of radiation
c. lethal effects of radiation
d. stochastic and deterministic effects of radiation




ANS: A
Radiation protection guidelines are based on stochastic effects of radiation.


2. is a stochastic effect of radiation exposure.
a. Erythema
b. Epilation
c. Cancer
d. Nausea




ANS: C
Cancer is a stochastic effect of radiation exposure.
3. An epidemiological study of the stochastic effects of very low doses of radiation requires
a population of of people.
a. millions
b. thousands
c. hundreds

, d. dozens




ANS: A
An epidemiological study of the stochastic effects of very low doses of radiation
requires a population of millions of people.
4. A effect increases in incidence but not severity as the dose increases. a. nonstochastic
b. stochastic
c. deterministic
d. localized




ANS: B
A stochastic effect increases in incidence but not severity as the dose increases.


5. Low doses of radiation have been shown to cause .
a. chromosome damage
b. loss of fertility
c. cataracts
d. radiodermatitis




ANS: A
Low doses of radiation have been shown to cause chromosome damage.
6. Chronic low doses of radiation have effect on fertility.
a. no
b. an increasing
c. a strong
d. a weak

, ANS: A
Chronic low doses of radiation have no effect on fertility.


7. Studies of A-bomb survivors indicate that leukemia has a
dose-response relationship to radiation. a. nonlinear, threshold
b. linear, threshold
c. linear, nonthreshold
d. nonlinear, nonthreshold




ANS: C
Studies of A-bomb survivors indicate that leukemia has a linear, nonthreshold dose-
response relationship to radiation.
8. Radiation-induced leukemia has a latent period of years. a. 1 to 2
b. 4 to 7
c. 5 to 10
d. 15 to 20




ANS: B
Radiation-induced leukemia has a latent period of 4 to 7 years.
9. Ankylosing spondylitis patients treated with radiation showed an increased incidence of
.
a. leukemia
b. cancer
c. early death
d. infertility