Test 3

Question 1

mA

Answer 1

Amount

Question 2

KvP

Answer 2

Penetration

Question 3

Sec

Answer 3

Time

Question 4

We would reduce radiation for?

Answer 4

Pregnant women and young age

Question 5

Where are the two radiation badges located?

Answer 5

Collar and waist

Question 6

Report of radiation happens?

Answer 6

Quarterly

Question 7

Quarterly =

Answer 7

3 months

Question 8

occupational exposure

Answer 8

milli-Rem

Question 9

Radiation Exposure

Answer 9

milli-roentgen

Question 10

Absorbed Exposure

Answer 10

milli-RAD

Question 11

GSD

Answer 11

Genetically Significant Dose

Question 12

Collimation increases what?

Answer 12

x-ray quality

Question 13

Diagnostic x-ray procedure that leads to one of the highest occupational exposure is

Answer 13

fluoroscopy

Question 14

Most harmful for health care workers

Answer 14

scatter when it comes from a patient

Question 15

If you take your foot off the x-ray petal does it stop?

Answer 15

yes

Question 16

the timer goes off every ____ minutes

Answer 16

five

Question 17

Does the diagnostic x-ray beeps the whole time?

Answer 17

yes

Question 18

Dose occupational limits based off deterministic or stochastic?

Answer 18

stochastic

Question 19

Deterministic

Answer 19

Known threshold

Question 20

Stochastic

Answer 20

Based off risk estimate

Question 21

What do radiation burns look like when they first appear?

Answer 21

a rash

Question 22

Do radiation burns take a long time to heal?

Answer 22

yes

Question 23

What is the appropriate thickness of lead on a lead apron?

Answer 23

0.25mm

Question 24

Prodromal

Answer 24

flu like symptoms

Question 25

Biological and radiation effects

Answer 25

molecular, cellular, organic,

Question 26

Sensitive Areas

Answer 26

Soft tissues, thyroid, eyes, lymphocytes, reproductive organs

Question 27

Effects depend on

Answer 27

quality of radiation, area exposed, species sensitivity, cell sensitivity

Question 28

Fetus most susceptible during ____

Answer 28

first trimester

Question 29

Deterministic effects of radiation

Answer 29

biological response whose severity varies with radiation dose.

Question 30

Three phases

Answer 30

prodromal - immediate response 1-2 days
latent period - no outward signs
manifest illness - going to die

Question 31

Diagnostic x-ray beams result in partial body exposure which is less harmful then?

Answer 31

full body exposure

Question 32

Most radiosensitive cells in the body are?

Answer 32

lymohocytes and spermatogonia

Question 33

The earliest manifestation of radiation injury to the skin comes from damage of?

Answer 33

Basal cells

Question 34

Stochastic effects

Answer 34

results of low does delivered over a long period of time

Question 35

Relative risk

Answer 35

estimation of late radiation effects in large populations without precise knowledge of their radiation dose.

Question 36

excessive risk

Answer 36

difference between observed and expected number of cases

Question 37

Absolute risk

Answer 37

incidence of malignant disease observed within 1 year of given dose

Question 38

Cataracts

Answer 38

radiation induced cataracts occur posterior pole of the lens