MDCB CERTIFICATION SET 2 |ACTUAL QUESTIONS
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
1. A computer network that is limited to a single division or small group in one
geographical
location is called a:
A. Wide Area Network
B. Distributed Switch Network
C. Local Area Network
D. Discrete Network
CORRECT ANSWER
C
Question 2
2. From the techniques listed below, select the least desirable method for treating a 3cm
non-
secreting pituitary adenoma.
A. opposed lateral fields
B. opposed laterals plus a vertex field
C. non-coplanar fields
D. stereotactic radiosurgery
CORRECT ANSWER
A
1
, Question 3
3. The five year cure rate for a prostate cancer tumor treated with primary radiation is:
A. 5 - 10%
B. 25 - 30%
C. 50 - 70%
D. 75 - 95%
CORRECT ANSWER
D
Question 4
4. A lung tumor is to be treated utilizing a 90 degree arc. For a target volume centered 6.0
cm
below the skin surface, how far below the skin surface should the isocenter be placed?
A. 2.5 cm
B. 6.0 cm
C. 9.0 cm
D. 12.0 cm
CORRECT ANSWER
C
Question 5
5. A patient is normally treated with 18 MV photons on a linear accelerator that has a
target-to-
tray distance of 61.4 cm. The machine breaks down and the patient is moved to a 6 MV
linear
2
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
1. A computer network that is limited to a single division or small group in one
geographical
location is called a:
A. Wide Area Network
B. Distributed Switch Network
C. Local Area Network
D. Discrete Network
CORRECT ANSWER
C
Question 2
2. From the techniques listed below, select the least desirable method for treating a 3cm
non-
secreting pituitary adenoma.
A. opposed lateral fields
B. opposed laterals plus a vertex field
C. non-coplanar fields
D. stereotactic radiosurgery
CORRECT ANSWER
A
1
, Question 3
3. The five year cure rate for a prostate cancer tumor treated with primary radiation is:
A. 5 - 10%
B. 25 - 30%
C. 50 - 70%
D. 75 - 95%
CORRECT ANSWER
D
Question 4
4. A lung tumor is to be treated utilizing a 90 degree arc. For a target volume centered 6.0
cm
below the skin surface, how far below the skin surface should the isocenter be placed?
A. 2.5 cm
B. 6.0 cm
C. 9.0 cm
D. 12.0 cm
CORRECT ANSWER
C
Question 5
5. A patient is normally treated with 18 MV photons on a linear accelerator that has a
target-to-
tray distance of 61.4 cm. The machine breaks down and the patient is moved to a 6 MV
linear
2