Chapter 5

Question 1

Which populations were used as sources of data on the incidence of radiation-induced cancer?

Answer 1

• Atomic bomb survivors
• Medically exposed patients
• Occupational exposed personnel
• Populations who received high natural background exposure

Question 2

What are the limitations on epidemiologic studies?

Answer 2

• Failure to control experimental groups
• Insufficient observation periods
• Using improper control groups
• Deficient or Incorrect health records

Question 3

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?

Answer 3

Stochastic

Question 4

What dose-response relationship does Radiation-induced leukemia have?

Answer 4

linear-nonthreshold dose relationship

Question 5

What dose-response relationship does Skin cancer have?

Answer 5

threshold

Question 6

What dose-response relationship does Thyroid cancer have?

Answer 6

linear nonthreshold

Question 7

What dose-response relationship does Osteosarcoma have?

Answer 7

linear-quadratic

Question 8

What dose-response relationship does lung cancer have?

Answer 8

linear-nonthreshold