Rad Bio: Unit 5 Exam

Late Effects

Appear months or years after exposure, principle late effects are malignancy and genetic effects; radiation protection guidelines are based on observed or suspected late effects

What dose response relationship does late effects follow?

Linear non-threshold

What is the tissue response of late effects?

Stochastic

Epidemiologic Studies

Studies of large numbers of people exposed to toxic substances

What are some late effect limitations?

Natural incidences, control group accuracy, statistical significance, isolation of other contributing factors and dosimetry estimates