MDCB Practice Set 2 - Test 6 questions
|\ |\ |\ |\ |\ |\ |\ |\
with answers |\
1. In what document is the approved "Decision Making
|\ |\ |\ |\ |\ |\ |\ |\ |\
Model for Determining the Scope of Practice
|\ |\ |\ |\ |\ |\
of a Qualified Medical Dosimetrist" found?
|\ |\ |\ |\ |\
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 - CORRECT ANSWERS ✔✔B |\ |\ |\ |\ |\
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
|\
B. prostate
|\
C. mediastinal
|\
D. sarcomas - CORRECT ANSWERS ✔✔A
|\ |\ |\ |\ |\
,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
|\ |\
B. Kerma Function
|\ |\
C. Anisotropy Function
|\ |\
D. Sievert Function - CORRECT ANSWERS ✔✔C
|\ |\ |\ |\ |\ |\
4. In the adult population, the least likely CNS tumor
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
would be: |\
A. Anaplastic astrocystoma
|\ |\
B. Glioblastoma
|\
C. Meningioma
|\
D. Ependymoma - CORRECT ANSWERS ✔✔D
|\ |\ |\ |\ |\
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
|\ |\ |\ |\ |\ |\
B. Foramen ovale
|\ |\
C. Foramen lacerum
|\ |\
D. Foramen rotundum - CORRECT ANSWERS ✔✔D
|\ |\ |\ |\ |\ |\
, 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 |\ |\ |\ |\ |\ |\ |\
surface to <50% of the prescribed dose?
|\ |\ |\ |\ |\ |\
A. 9 MeV
|\ |\
B. 12 MeV
|\ |\
C. 16 MeV
|\ |\
D. 20 MeV - CORRECT ANSWERS ✔✔B
|\ |\ |\ |\ |\ |\
7. What is output from a magnetron?
|\ |\ |\ |\ |\ |\
A. Electrons
|\
B. X rays
|\ |\
C. Microwaves
|\
D. Magnetism - CORRECT ANSWERS ✔✔C
|\ |\ |\ |\ |\
8. Physical penumbra width is defined as:
|\ |\ |\ |\ |\ |\
A. Total distance between the maximum dose isodose
|\ |\ |\ |\ |\ |\ |\ |\
curves at a specified depth
|\ |\ |\ |\
|\ |\ |\ |\ |\ |\ |\ |\
with answers |\
1. In what document is the approved "Decision Making
|\ |\ |\ |\ |\ |\ |\ |\ |\
Model for Determining the Scope of Practice
|\ |\ |\ |\ |\ |\
of a Qualified Medical Dosimetrist" found?
|\ |\ |\ |\ |\
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 - CORRECT ANSWERS ✔✔B |\ |\ |\ |\ |\
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
|\
B. prostate
|\
C. mediastinal
|\
D. sarcomas - CORRECT ANSWERS ✔✔A
|\ |\ |\ |\ |\
,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
|\ |\
B. Kerma Function
|\ |\
C. Anisotropy Function
|\ |\
D. Sievert Function - CORRECT ANSWERS ✔✔C
|\ |\ |\ |\ |\ |\
4. In the adult population, the least likely CNS tumor
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
would be: |\
A. Anaplastic astrocystoma
|\ |\
B. Glioblastoma
|\
C. Meningioma
|\
D. Ependymoma - CORRECT ANSWERS ✔✔D
|\ |\ |\ |\ |\
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
|\ |\ |\ |\ |\ |\
B. Foramen ovale
|\ |\
C. Foramen lacerum
|\ |\
D. Foramen rotundum - CORRECT ANSWERS ✔✔D
|\ |\ |\ |\ |\ |\
, 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 |\ |\ |\ |\ |\ |\ |\
surface to <50% of the prescribed dose?
|\ |\ |\ |\ |\ |\
A. 9 MeV
|\ |\
B. 12 MeV
|\ |\
C. 16 MeV
|\ |\
D. 20 MeV - CORRECT ANSWERS ✔✔B
|\ |\ |\ |\ |\ |\
7. What is output from a magnetron?
|\ |\ |\ |\ |\ |\
A. Electrons
|\
B. X rays
|\ |\
C. Microwaves
|\
D. Magnetism - CORRECT ANSWERS ✔✔C
|\ |\ |\ |\ |\
8. Physical penumbra width is defined as:
|\ |\ |\ |\ |\ |\
A. Total distance between the maximum dose isodose
|\ |\ |\ |\ |\ |\ |\ |\
curves at a specified depth
|\ |\ |\ |\
