Protection Unit 1 WS 1 Flashcards
Define ionization
adding or removing electrons
List 2 potential consequences of ionization to human cells
Cell death
Loss of cell function
Who has primary responsibility to assure benefit outweighs risk
ordering physician
Acronym ALARA stands for
As low as reasonably achievable
Two primary ways of keeping doses as ALARA to patients are
Using smallest radiation exposure
Get it right the first time
Most effective means of reducing dose to patients begins with
communication
Using BERT what is the equivalent dose for CXR
10 days
Average person’s annual exposure to radiation equals
360 mrem
What percentage of the average person’s annual exposure is from medical x-rays
11%
NCRP report that addresses occupational dose limits is Number
116
Annual occupational effective dose limit to the whole body
5 rem
How is a tech’s cumulative effective dose limit calculated
age x 1 rem
annual limit for education and training purposes
0.1 rem
10 mrem = ___rem
.01 rem
When is personnel monitoring required
when workers are likely to risk receiving 10% of annual occupational dose limit
Dosimeters actually do 2 things to the amount of radiation
measures
detects
Where should the dosimeter be placed in
at collar level under apron
What does OSL stand for
Optically stimulated luminescence dosimeter
