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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. radiation beam flatness (frequency and accuracy)

2. public EDE limit per year for whole body

3. BED (formula)

4. 6 MV dmax and PDD at 10 cm ref depth

5. mechanical inspection (frequency)

6. CNS planning: cranial field orientation (formula, given spine field settings)

7. HU for tissue

8. cerrobend make-up and melting point

9. Ir-192 exposure rate (gamma) constant

10. occupational EDE limit per year for lens

11. acute effects depend on...

12. TVL = ? x HVL

13. mayneord f factor

14. 18 MV dmax and PDD at 10 cm ref depth

15. light + radiation field congruence (frequency and accuracy)

16. radiation monitor (frequency and accuracy)

17. brachytherapy: exposure rate and dose rate (formulas)

18. Co-60 dmax and PDD at 10 cm ref depth

19. bone to tissue density ratio

20. emergency off switches (frequency)

21. calculation parameters (frequency)

22. electron depth (cm) @ 80% isodose per energy

23. electron depth (cm) @ 10% isodose per energy

24. decay method of Ir-192

25. ∼ α/β for tumors

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