Download RGUHS MSc Radiation Physics 2019 October 1st Year 9804 Quality Assurance Calibration And Standardization In Clinical Dosimetry Question Paper

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[Time: 3 Hours]

[Max. Marks: 100]

Quality Assurance, Calibration and Standardization in Clinical Dosimetry

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Q.P. CODE: 9804

Your answers should be specific to the questions asked.

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Draw neat, labeled diagrams wherever necessary.

LONG ESSAY

2 X 20 = 40 Marks

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1.

Explain the calibration procedures for sealed Brachytherapy sources.

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2.

Enumerate the patient specific QA for 3DCRT using Ionization Chamber.

SHORT ESSAY

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6 X 10 =60 Marks

3.

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Discuss about gas filled detector.

4.

Explain methods of localizing tumor and its QA of conventional simulator.

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5.

Enumerate correction required for of beam quality, polarity, temperature and pressure

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6.

Discuss types of EPID.

7.

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Describe following

a) Condenser chamber and stem effect.
b) Exposure rate constant and source specification.

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8.

Discuss about obtaining of beam profiles and PDD using RFA.

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