Protection Unit 1 WS 2 Flashcards Preview

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Flashcards in Protection Unit 1 WS 2 Deck (35):
1

Somatic damage

Damage done to persons exposed

2

Genetic damage

Damage to generations yet unborn

3

2 examples of short-term somatic damage

blood changes
nausea, diarrhea

4

2 examples of long-term somatic damage

cancer
embryonic damage

5

How do you convert a traditional unit to an SI

traditional / 100

6

1 mrem = ____rem

.001

7

First American radiation related death

Clarence Daily

8

What was first "unit" used to measure exposure

roentgen

9

10 rad = ___ Gray

.01

10

1000 SV= ___rem

10000

11

1 cGy= Gy

.01

12

Roentgen only measures what 2 radiations

Xray
Gamma ray

13

Output of a tube would be measured in what unit

Roentgen

14

What does the acronym "rad" stand for

radiation absorbed dose

15

What does the acronym "rem" stand for

Radiation equivalent man

16

What does LET stand for?

Linear energy transfer

17

The higher the LET the _____ the amt of energy that is transfered

greater

18

The higher the LET the ____ amt of damage possible

greater

19

Define biological effect

effects of radiation on/in a person's body

20

Formula for biologic effect

rem=quality factor x absorbed dose

21

1 R=___ rad

1

22

1 rad= ____ rem

1

23

1 rad=___erg/g

100

24

If your exposed to 15 R of xray what is your absorbed dose and dose equivalent?

15 rem, 15 rad

25

3 potential effects from radiation exposure and include amt of dose required to cause that effect.

25 rem blood changes
200 rem erythema
250 rem temporary steriity

26

Exposure symbol
Exposure SI unit
Exposure Traditional Unit

X
2.58x10 -4 coulombs/kg
Roentgen (R)

27

Exposure/Intensity Definition

Measures ionization in air or electrical charge

28

What is exposure or intensity used by

physicists use in an ionization chamber

29

Absorbed dose symbol
SI Unit
Traditional unit

D
Gray (Gy)
rad

30

Absorbed dose definition

amount of energy absorbed

31

1 rad=____ergs/gram

100

32

Equivelent dose symbol
SI Unit
Traditional Unit

EqD
Seivert, Sv
rem

33

Equivelent dose

Uses a radation weighting factor to tel lthe difference from equal doses of different types of radiation

34

Effective dose symbol
SI Unit
Traditional unit

EfD
Seivert
rem

35

EfD Definition

tissue weighting factor to tell the difference in harm to different body parts based on their sensitivity