FINAL LRA 215 (ACTUAL 2025/2026) QUESTIONS AND
VERIFIED ANSWERS | ALREADY PASSED
Immediately following a whole body dose of 10 Gy the victim
would experience (a)______ - --Answers----Prodromal
symptoms
The most radiosensitive cells in the hematopoietic system of
the human body are the___ - --Answers----lymphocytes
Ovaries are most radiosensitive during_____ - --Answers----
Fetal growth
Early childhood
A person subjected to 50 Gy to the whole body may survive
for___ before death occurs - --Answers----3 days
A subject would not experience____following a dose high
enough to cause CNS syndrome - --Answers----hematologic
syndrome
Studies of A-bomb survivors indicate that leukemia has
a___dose-response relationship to radiation - --Answers----
linear-nonthreshold
, Our information on the genetic effects of radiation has come
from studies of___ - --Answers----Mice
Fruit Flies
A___effect increases in incidence but not severity as the dose
increases - --Answers----stochastic
The most radiosensitive period during pregnancy for radiation
induced congenital abnormalities id during - --Answers----
first trimester
Chronic low doses of radiation have _____ effect on fertility. - -
-Answers----NO
Radiation induced skin cancer in radiotherapy patients has
occured with____ - --Answers----A threshold dose-response
The theory of radiation hormesis suggests that radiation doses
below 0.1 mGy are - --Answers----beneficial
Relative risk is___ - --Answers----observed cases/expected
cases
Low doses of radiation have been shown to cause _____. - --
Answers----chromosome damage
VERIFIED ANSWERS | ALREADY PASSED
Immediately following a whole body dose of 10 Gy the victim
would experience (a)______ - --Answers----Prodromal
symptoms
The most radiosensitive cells in the hematopoietic system of
the human body are the___ - --Answers----lymphocytes
Ovaries are most radiosensitive during_____ - --Answers----
Fetal growth
Early childhood
A person subjected to 50 Gy to the whole body may survive
for___ before death occurs - --Answers----3 days
A subject would not experience____following a dose high
enough to cause CNS syndrome - --Answers----hematologic
syndrome
Studies of A-bomb survivors indicate that leukemia has
a___dose-response relationship to radiation - --Answers----
linear-nonthreshold
, Our information on the genetic effects of radiation has come
from studies of___ - --Answers----Mice
Fruit Flies
A___effect increases in incidence but not severity as the dose
increases - --Answers----stochastic
The most radiosensitive period during pregnancy for radiation
induced congenital abnormalities id during - --Answers----
first trimester
Chronic low doses of radiation have _____ effect on fertility. - -
-Answers----NO
Radiation induced skin cancer in radiotherapy patients has
occured with____ - --Answers----A threshold dose-response
The theory of radiation hormesis suggests that radiation doses
below 0.1 mGy are - --Answers----beneficial
Relative risk is___ - --Answers----observed cases/expected
cases
Low doses of radiation have been shown to cause _____. - --
Answers----chromosome damage
