CHP Biological Effects of Radiation

Question 1

What is the primary biological effect of ionizing radiation?

Accepted Answer

Answer

Damage to the nervous system.

Answer

Damage to DNA, potentially leading to mutations.

Answer

Increase in body temperature.

Answer

Damage to the respiratory system.

Question 2

Which type of radiation is most likely to cause biological damage?

Accepted Answer

Answer

Alpha particles.

Answer

Beta particles.

Answer

Gamma rays.

Answer

Neutrons.

Question 3

What is the primary concern of radiation exposure during pregnancy?

Accepted Answer

Answer

Increased risk of cancer later in life.

Answer

Damage to developing tissues and organs.

Answer

Damage to the immune system.

Answer

Shortened life expectancy.

Question 4

Which of the following is an example of a stochastic effect of radiation?

Accepted Answer

Answer

Radiation burns.

Answer

Cataracts.

Answer

Cancer and genetic mutations.

Answer

Skin erythema.

Question 5

What is a deterministic effect of radiation exposure?

Accepted Answer

Answer

Cancer.

Answer

Genetic mutations.

Answer

Radiation burns or cataracts.

Answer

Increased risk of heart disease.

Question 6

Which organ is most sensitive to radiation exposure?

Accepted Answer

Answer

Lungs.

Answer

Skin.

Answer

Bone marrow.

Answer

Liver.

Question 7

Which of the following best describes radiation-induced cancer?

Accepted Answer

Answer

Immediate and obvious effects.

Answer

Delayed onset, often after years of exposure.

Answer

Only affects cells in the radiation pathway.

Answer

Affects all tissues immediately.

Question 8

What is the main difference between a somatic and genetic effect of radiation?

Accepted Answer

Answer

Somatic effects only impact the individual.

Answer

Genetic effects only impact the individual.

Answer

Somatic effects are permanent, while genetic effects are not.

Answer

Genetic effects affect only the individual exposed.

Question 9

What is the term used to describe the risk of radiation exposure in terms of cancer mortality?

Accepted Answer

Answer

Absolute risk.

Answer

Relative risk.

Answer

Lifetime risk.

Answer

Radiation burden.