Which of the following is defined as a branch of medical science that deals with the incidence,
distribution, and control of disease in a population? - answers✔✔Epidemiology
Which of the following describes radiation damage that increases the probability of causing a
late effect but will not increase the severity of the effect? - answers✔✔Stochastic
Radiation-induced lung cancer follows which dose-response relationship? - answers✔✔linear,
nonthreshold
Radiation-induced thyroid cancer is judged to be - answers✔✔Linear, Nonthreshold
The annual effective limit for the fetus of an occupational worker is - answers✔✔0.5 rem
Radiation sickness, known as _____, is a serious illness that occurs when the entire body
receives a high dose of radiation, usually over a short period of time. - answers✔✔Acute
Radiation Syndrome (ARS)
The lethal dose required to kill 50% of the population in 30 days is the definition of -
answers✔✔50/30
In the _____ stage, the person appears to be symptom-free. - answers✔✔latent
Order the response stages the acute radiation syndrome in order from 1st symptom to last -
answers✔✔Prodromal.
, latent period.
manifest illness.
recovery.
Reddening of the skin caused by radiation damage is referred to as: - answers✔✔Erythema
Death from a single dose of whole body irradiation primarily involves damage to the: -
answers✔✔Bone marrow.
Which is the following is not an early response to radiation? - answers✔✔breast cancer.
Which of the following is not an acute local tissue effect of radiation exposure? -
answers✔✔Cataracts
Epilation or alopecia are terms for - answers✔✔hair loss
Radiation-induced cataracts have an average latent period of approximately _______ years -
answers✔✔15 years
_____ is an average calculated from the gonadal dose received by the entire population. -
answers✔✔Genetically significant dose (GSD)
The dose of radiation required per generation to double the spontaneous mutation rate is the
definition of - answers✔✔Doubling Dose
When does the greatest radiation hazard to a fetus exist? - answers✔✔First trimester