Section 2

Question 1

Acute

Answer 1

rapid exposure

Question 2

Chronic

Answer 2

over a long duration

Question 3

Fractionation

Answer 3

Same dose rate but split into several fractions

Question 4

Protraction

Answer 4

Same dose but continuously delivered at a lower rate

Question 5

Aerobic tissue is more

Answer 5

sensitive than anoxic and hypoxic

Question 6

What are the 3 stages of radiation effects in the utero?

Answer 6

1 - Preimplantation
2 - Major organenesis
3 - Fetal growth - nervous system & sense organs

Question 7

Stochastic

Answer 7

random - occurs by chance and probability increases with dose

Question 8

Determinstic

Answer 8

Health effects related to dose
severity increases with dose

Question 9

Do patients have a dose limit

Answer 9

no

Question 10

What is the dose limit for public

Answer 10

1mSv per year

Question 11

What is the dose limit for occuptaional use

Answer 11

20mSv per year

Question 12

What are the ICRP fundamentals

Answer 12

Justification, optimisation and limitation

Question 13

What are the factors that impact barrier shielding?

Answer 13

Workload, occupancy of adj rooms, use factor, controlled/uncontrolled area

Question 14

What are the factors that affect patient dose?

Answer 14

Unncessary exams, repeat exams, filtration and shielding and appropriate projection