QUESTIONS

1. What 2 factors ensure the safety of the metal casing surrounding the entire x-ray tube?
2. What must be permanently fixed across the tube window, and why is its removal illegal?
3. What is the collimation device of choice, and how is this superior to the old style cone?
4. What is meant by a ratings chart?
5. What is scattered radiation?
6. Is scattered radiation more of a risk in large or small patients (state your reason)?
7. In addition to representing a serious health hazard, how else is scatter a problem?
8. List precautions that may be taken to reduce radiation risks to personnel.
9. List categories of person who should not be involved in radiography.
10. What health hazards are posed by ionising radiations?
11. X-rays are described as latent and cumulative. Explain these terms in respect of radiation hazards.
12. What law governs the use of radiation and radioactive materials?
13. All veterinary personnel involved in radiography must have read and understood the Ionising Radiation Regulations. In addition, guidance notes should be available that explain the law with respect to radiography in veterinary practice. What is the name of this booklet?
14. What is the role of the radiation protection supervisor?
15. What is the role of the radiation protection adviser?
16. List 10 specifications that must be applied in relation to the controlled area.
17. How should lead safety garments be stored and serviced?
18. Describe the 2 types of dosemeter commonly used in veterinary radiography.