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MDCB (Medical Dosimetrist Certification Board) Exam Formulas
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MDCB exam formulas (Medical Dosimetrist Certification Board) focus on radiation oncology physics, dosimetry, and treatment planning, covering MU calculations, inverse square law, dose rates, beam geometry (SSD/SAD), wedge factors, and radioactive decay.

Key areas include calculating monitor units, tissue-phantom ratios, and dose at depth.

MDCB (Medical Dosimetrist Certification Board) Exam Formulas
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25 Questions

1. Co-60 exposure rate (gamma) constant

2. 15 MV dmax and PDD at 10 cm ref depth

3. dose limit to pacemaker

4. half life of I-127

5. fetal dose limit per gestation period

6. occupational EDE limit per year for whole body

7. Total uncertainty +

8. Ir-192 exposure rate (gamma) constant

9. dose rate limit outside room of patient with permanent/temporary implants

10. crosshair alignment (frequency and accuracy)

11. 6E: Surface dose (%), dmax, max range

12. mayneord f factor

13. machine isocenter (frequency and accuracy)

14. 'very high radiation area' sign

15. 18 MV dmax and PDD at 10 cm ref depth

16. Cs-137 photon energy

17. OER for xrays? for neutrons?

18. decay method of I-125

19. exposure rate (gamma) constant for Cs-137

20. late effects depend on...

21. temporary implant total dose

22. neutron rest mass energy equivalent

23. %/cm attenuation for 6 MV

24. electrons: when to use inverse square law or virtual source distance for calculation

25. laser localization lights (frequency and accuracy)

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