Deck 1: Radiobiology History

Question 1

Which of the following is credited with the observance of rays being given off by a uranium-containing substance in 1896?

A) Antoine Henri Becquerel
B) Wilhelm Conrad Roentgen
C) Pierre and Marie Curie
D) Clarence Dally

Answer 1

A

Question 2

Which of the following is a measure of the ionization of air created by x- and gamma-radiation?

A) Roentgen (R)
B) rad
C) rem
D) curie

Answer 2

A

Question 3

Which of the following, in the 1940s, observed the effects of radiation in the presence of oxygen?

A) Rick
B) Lea
C) Puck & Marcus
D) Elkind & Sutton-Gilbert

Answer 3

A

Question 4

Lea discovered that hydrolysis of water resulted in free radical formation. This is known as which of the following?

A) fractionation
B) mutagenesis
C) oxygen effect
D) mechanism of indirect action

Question 5

Regaud discovered that if original doses were broken up into smaller doses spread out over a period of time, animals would become sterile, but with considerably less damage to their skin. This is known as which of the following?

A) fractionation theory
B) mutagenesis
C) oxygen effect
D) reproductive failure

Question 6

Which of the following, in 1946, did research on the hydrolysis of water?

A) Rick
B) Lea
C) Puck & Marcus
D) Elkind & Sutton-Gilbert

Question 7

Which of the following, in 1906, observed the effects of radiation by exposing rodent testicles to x-rays?

A) Bergonie & Tribondeau
B) Ancel & Vitemberger
C) Regaud
D) Muller

Question 8

Rick discovered that oxygen increases the cell-killing effect of a given dose of radiation. This is known as which of the following?

A) fractionation
B) mutagenesis
C) oxygen effect
D) reproductive failure

Question 9

Which of the following, in the 1920s, observed the effects of radiation by exposing sheep testicles to x-rays?

A) Bergonie & Tribondeau
B) Ancel & Vitemberger
C) Regaud
D) Muller

Question 10

Which of the following, in 1927, observed the effects of radiation by exposing fruit flies to x-rays?

A) Bergonie & Tribondeau
B) Ancel & Vitemberger
C) Regaud
D) Muller

Question 11

Which of the following is the unit of dose equivalent or occupational exposure?

A) Roentgen (R)
B) rad
C) rem
D) curie

Question 12

Which of the following is credited with the discovery of x-rays in 1895?

A) Antoine Henri Becquerel
B) Pierre and Marie Curie
C) Wilhelm Conrad Roentgen
D) Thomas Edison

Question 13

Which of the following is the branch of science concerned with the methods of interaction and the effects of ionizing radiation on living systems?

A) radiobiology
B) biology
C) physics
D) epidemiology

Question 14

Which of the following, in 1925, observed the effects of radiation by exposing mammals to x-rays?

A) Bergonie & Tribondeau
B) Ancel & Vitemberger
C) Regaud
D) Muller

Question 15

Muller discovered that radiation-induced mutations were the same as those produced in nature. This is known as which of the following?

A) fractionation
B) mutagenesis
C) oxygen effect
D) reproductive failure

Question 16

Which of the following is credited with the discovery of radium in 1898?

A) Antoine Henri Becquerel
B) Wilhelm Conrad Roentgen
C) Pierre and Marie Curie
D) Clarence Dally

Question 17

Which of the following describes the energy that is absorbed in matter from any type of ionizing radiation, and is considered the unit of absorbed dose?

A) Roentgen (R)
B) rad
C) rem
D) curie

Question 18

Which of the following, in 1956, observed the effects of radiation by exposing human uterine cervix cells to x-rays?

A) Rick
B) Lea
C) Puck & Marcus
D) Elkind & Sutton-Gilbert

Question 19

The Law of Bergonie infers which of the following?

A) stem cells are more radiosensitive than mature cells
B) older tissues and organs are more radiosensitive than younger tissues and organs
C) the lower the metabolic activity of a cell, the more radiosensitive it is
D) the lower the proliferation and growth rate for tissues, the lower the radiosensitivity

Question 20

Which of the following, an assistant to Thomas Edison, died of complications from exposure to radiation?

A) Clarence Dally
B) William Rollins
C) Mihram Kassabian
D) Marie Curie

Question 21

Which of the following is the SI unit for the curie?

A) coulomb/kilogram
B) gray
C) sievert
D) becquerel

Question 22

Which of the following is the SI unit for Roentgen (R)?

A) coulomb/kilogram
B) gray
C) sievert
D) becquerel

Question 23

What is the current annual effective dose limit for occupational exposure?

A) 0.05 rem
B) 0.5 rem
C) 5 rem
D) 50 rem

Question 24

Which of the following is the SI unit for the rem?

A) coulomb/kilogram
B) gray
C) sievert
D) becquerel

Question 25

Which of the following is the SI unit for the rad?

A) coulomb/kilogram
B) gray
C) sievert
D) becquerel