units

Question 1

what is radiation hormesis? is this true?

Answer 1

theory that ionizing radiation stimulates repair mechanisms that are not activated in other ways; not true

Question 2

Roentgen is a measure of what?

Answer 2

unit of radiation exposure or intensity in the air

Question 3

output of x-ray systems usually specified in __________

Answer 3

milliroentgens (mR)

Question 4

1 R = ____________ ion pairs/cm^3

Answer 4

2.08 x 10^8

Question 5

SI unit of Roentgen

Answer 5

air kerma (Gya) or Coulomb per kilogram (C/kg)

Question 6

100 R = ____

Answer 6

1 Gya (1 air kerma)

Question 7

1 C/kg = ________

Answer 7

3876 R

Question 8

RAD = ____________

Answer 8

radiation absorbed dose, radiation received by patietns

Question 9

SI unit for RAD = __________

Answer 9

Gray (Gyt)

Question 10

1 Gray = _________

Answer 10

100 RAD

Question 11

Curie (Ci) is used to ______________

Answer 11

measure radioactivity

Question 12

Curie (Ci) is used in ____________

Answer 12

nuclear medicine

Question 13

SI unit of Curie = __________

Answer 13

Becquerel

Question 14

REM stands for ________

Answer 14

radiation equivalent man

Question 15

REM is used for _____________

Answer 15

occupational dose monitoring

Question 16

SI of REM = ___________

Answer 16

Sievert (Sv)

Question 17

1 Sv = _______

Answer 17

100 rem

Question 18

annual dose limit

Answer 18

50 mSv

Question 19

cumulative dose limit

Answer 19

10 mSv x age

Question 20

fetal badge total gestation limit

Answer 20

5 mSv

Question 21

general population annual exposure

Answer 21

1 mSv