Lecture 1. Intro

Question 1

What is the safety equation?

Answer 1

Safety = Prevention + Detection and Assessment + Response

Question 2

What is the primary choice in the safety equation?

Answer 2

Prevention

Question 3

Name the 3 principles of radiation safety.

JOL

Answer 3

1. Justification
2. Optimization
3. Limitation

Question 4

Define Justification

Answer 4

No practice involving exposures to radiation should be adopted unless it produces at least sufficient benefit to offset the radiation detriment it causes

Question 5

Define Optimization

Answer 5

In relation to any particular source of radiation…all reasonable steps should be taken to adjust the protection so as to maximize the net benefit, economic and social factors being taken into account

Question 6

Define Limitation

Answer 6

A limit should be applied to the dose (other than from medical exposures) received by any individual

Question 7

What is ICRP?

Answer 7

The International Commission on Radiological Protection

NB: They are a Registered Charity that provide recommendations and guidance on all aspects of protection against ionizing radiation

Question 8

What are the 3 Radiation Safety Practicalities?

Answer 8

1. Time
2. Distance
3. Shielding

Question 9

What is considered the biggest factor in radiation safety?

Answer 9

Shielding

Question 10

What is the main goal of radiation safety?

Answer 10

Protecting employees and the public from LOW doses

Question 11

What is the main goal of radiotherapy

Answer 11

To use the effects of HIGH doses to benefit patients