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MDCB Practice Set 2 - Test 6 – 2018 With Questions And 100% ALL SURE ANSWERS
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JACKLINEMDCB Practice Set 2 - Test 6 – 2018 With Questions And 100% ALL SURE ANSWERS
Terms in this set (50)
1. In what document is the approved "Decision Making Model for Determining the Scope of
Practice
of a Qualified Medical Dosimetrist" found?
B A. The Medical Dosimetrist Certification Board Charter
B. The AAMD "Scope of Practice of a Medical Dosimetrist"
C. The American College of Radiation Oncology Statement of Standards
D. American Association of Physicists in Medicine Operating Standards
2. In four dimensional CT scanning (CT acquisition in the respiratory time scale), the most common
use would occur in the treatment of which type of tumors?
A. lung
A
B. prostate
C. mediastinal
D. sarcomas
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, 9/5/24, 12:07 PM
3. What is the term that defines radiation intensity at points equidistant around the source,
normalized to the radiation intensity at a reference distance on the radius bisecting the source?
A. Convergence Function
C
B. Kerma Function
C. Anisotropy Function
D. Sievert Function
4. In the adult population, the least likely CNS tumor would be:
A. Anaplastic astrocystoma
D B. Glioblastoma
C. Meningioma
D. Ependymoma
5. In malignant tumors of the nasopharynx that spread directly to the middle cranial fossa, what is
the usual route of invasion?
A. Directly through base of skull bone
D
B. Foramen ovale
C. Foramen lacerum
D. Foramen rotundum
6. What is the electron energy that will give dose coverage ≥93% of the prescription dose to a
target
volume that extends from 0.5 cm to 2.5 cm below the skin surface and has an 8 mm bolus placed
on
the skin, while minimizing the dose to an underlying avoidance structure at 4.5 cm from the skin
B
surface to <50% of the prescribed dose?
A. 9 MeV
B. 12 MeV
C. 16 MeV
D. 20 MeV
7. What is output from a magnetron?
A. Electrons
C B. X rays
C. Microwaves
D. Magnetism
8. Physical penumbra width is defined as:
A. Total distance between the maximum dose isodose curves at a specified depth
B B. Lateral distance between two specified isodose curves at a specified depth
C. Physical distance between the geometric area of dmax dose at a specified depth
D. Geometric distance between the given transmission dose at a specified depth
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