EARLY EFFECTS OF RADIATION chapter 35

Question 1

A radiation response in human within a few
days to months
 It is described as deterministic

Answer 1

Early Effects of Radiation

Question 2

Biologic response whose severity varies
with radiation dose
 A dose threshold usually exists

Answer 2

Deterministic Radiation Response

Question 3

The most devastating human response to

radiation exposure

Answer 3

Death

Question 4

 It is of only academic interest in diagnostic

radiology

Answer 4

Acute Radiation-Induced Lethality

Question 5

April 1986

Answer 5

Chernobyl Incident

Question 6

March 1979

Answer 6

Three Mile Island Incident

Question 7

Radiation sickness that occurs in human
after the whole-body dose s of 1 Gy (100
rad) or more of ionizing radiation delivered
over a short time

Answer 7

Acute Radiation Syndrome

Question 8

The immediate response of radiation
sickness
Approximate Dose: > 100 rad

Answer 8

Prodomal Period

Question 9

The time after exposure during which there
is no sign of radiation sickness
 Approximate Dose: 100-10, 000 rad

Answer 9

Latent Period

Question 10

It is characterized by a reduction in white
cells, red cells & platelets
 Approximate Dose: 200-1000 rad

Answer 10

Hematologic Syndrome