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Flashcards in Protection Unit 1 WS 1 Deck (18):
1

Define ionization

adding or removing electrons

2

List 2 potential consequences of ionization to human cells

Cell death
Loss of cell function

3

Who has primary responsibility to assure benefit outweighs risk

ordering physician

4

Acronym ALARA stands for

As low as reasonably achievable

5

Two primary ways of keeping doses as ALARA to patients are

Using smallest radiation exposure
Get it right the first time

6

Most effective means of reducing dose to patients begins with

communication

7

Using BERT what is the equivalent dose for CXR

10 days

8

Average person's annual exposure to radiation equals

360 mrem

9

What percentage of the average person's annual exposure is from medical x-rays

11%

10

NCRP report that addresses occupational dose limits is Number

116

11

Annual occupational effective dose limit to the whole body

5 rem

12

How is a tech's cumulative effective dose limit calculated

age x 1 rem

13

annual limit for education and training purposes

0.1 rem

14

10 mrem = ___rem

.01 rem

15

When is personnel monitoring required

when workers are likely to risk receiving 10% of annual occupational dose limit

16

Dosimeters actually do 2 things to the amount of radiation

measures
detects

17

Where should the dosimeter be placed in

at collar level under apron

18

What does OSL stand for

Optically stimulated luminescence dosimeter