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Medical Dosimetry Certification Prep Revision
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Medical Dosimetry Certification is a professional credential, primarily administered by the Medical Dosimetrist Certification Board (MDCB), that validates a practitioner's expertise in planning cancer radiation treatments. It requires passing a rigorous exam after completing an accredited education program, ensuring competency in dose calculations, treatment planning, and safety. Role of a Certified Medical Dosimetrist As part of the radiation oncology team (alongside doctors and physicists), they determine the best beam arrangements and radiation doses to destroy tumors while sparing... Show more
Medical Dosimetry Certification Prep Revision
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25 Questions

1. To make patients more comfortable during treatment, it is a good idea_____

2. in brachytherapy what is the exposure rate constant of 192Ir?

3. The treatment timer of a 60Co machine may need correction if it reads_____

4. integrity of a teletherapy source can be checked by_____

5. Collimator Scatter Factor (Sc), provides the ______

6. A bite block is used for____

7. Whose responsibility is it to demonstrate compliance of its equipment to international standards?

8. What is the half-life of 60 Co

9. The SI unit of dose is

10. What must be done before carrying out acceptance tests?

11. is the KV x-ray beam used in radiation therapy monoenergetic or does it have spectral distribution?

12. define the dose rate specifications for LDR

13. how are x-rays produced

14. compared to portal radiography, what are advantages of electronic portal imaging?

15. Axial CT scans provide the following important patient data_____

16. What causes the heating up of the target

17. Which image is used for online treatment verification?

18. A pencil beam of electrons incident on a foil spreads into a beam of larger cross-section due to______

19. x-ray beam flatness is specified for______

20. field placement errors, during patient setup, arise as a result of_____

21. for a pellet source of 103Pd or 125I imbedded in the tissue medium, the dose fall off over a short distance of 1 to 5 cm_____

22. What is defined as the kinetic energy released per unit mass, in an infantissimal volume, around that point by IDIR (indirectly ionizing radiation)?

23. In SSD techniques, the beams are weighted at _____

24. using Clarkson's method________

25. That isocenter of a clinical linac can be checked by_____