Lesson 1

Question 1

Four aspects of radiation safety

Answer 1

1. no unnecessary repeats
2. patient must be protected
3. personnel within the facility must be protected
4. personnel and the general public in the vicinity must be protected

Question 2

What are the cardinal principles of radiation protection

Answer 2

1.time
2. distance
3. shielding

Question 3

difference between directive and recommendation

Answer 3

directive - must
recommendation - should

Question 4

what is the unit for exposure

Answer 4

C/kg
mR

Question 5

what is the unit for absorbed dose

Answer 5

mGy

Question 6

what is the unit for effective dose

Answer 6

mSv

Question 7

what are the two categories of dose limits

Answer 7

occupational
public

Question 8

What is not included in DL

Answer 8

radiation recieved by patients
x-ray, CT
background radiation
radon gas, sun

Question 9

DL is occupational dose only

Answer 9

true

Question 10

what is the dose limit for radiation workers on the whole body and lens of the eye

Answer 10

20 mSv per year averaged over 5 years

Question 11

What are some SC-35 requirements adn recomendations

Answer 11

one x-ray per room
no parents unless essential
can hold patient but not in route of beam
no exposures in training
anyone with more radiation than recommended should be monitored