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MDCB: MOCK EXAM 2 | 144 QUESTIONS | WITH PASSED SOLUTIONS!!
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MDCB: MOCK EXAM 2 | 144 QUESTIONS | WITH PASSED SOLUTIONS!!
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MDCB: MOCKEXAM 2 | 144
QUESTIONS |
WITH PASSED
SOLUTIONS!!
Evatee 9/5/24 MDCB
,MDCB: MOCK EXAM 2 | 144 QUESTIONS |
WITH PASSED SOLUTIONS!!
A patient receiving treatment to the head and neck region has experienced a
skin reaction and mucositis at a total dose much lower than anticipated. The
radiation oncologist requests an evaluation of the treatment. Which of the
following steps should be taken?
A. recalculate the treatment plan
B. ensure that the depth dose, build-up region, wedge parameters, and other
pertinent information for the treatment unit are correct
C. review the treatment setup with the therapist
D. recalculate the monitor unit settings
E. all are correct Answer - E
For megavoltage dosimetry, TLD can provide accuracy of:
A. plus/minus 20%
B. plus/minus 10%
C. plus/minus 3%
,D. plus/minus 1% Answer - C
With megavoltage film dosimetry, isodose curves can be measured to within:
A. plus/minus 10%
B. plus/minus 7%
C. plus/minus 3%
D. plus/minus 1% Answer - C
In megavoltage therapy, typical use(s) of diodes is for:
A. patient dosimetry
B. beam scanning
C. quality assurance
D. all of the answers are correct Answer - D
Which of the following is best suited for calibration of a megavoltage beam:
A. diode detector
, B. thermoluminescence dosimetry
C. film
D. ionization chamber Answer - D
The f-factor:
A. is the roentgen to cGy conversion factor
B. is greatest for high Z materials and low energy photons
C. is 0.873 in air
D. all of the answers are correct
E. none of the answers are correct Answer - D
Clinical application of MLC include which of the following?
A. shaping of electron fields as a replacement for cerrobend blocks
B. dynamic field shaping as a function of patient respiration
C. field shaping without penumbra
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