BASIC PRINCIPLE OF RADIOTHERAPY JULY 2015

Diploma IInd year Radiation Technology

July-2015

BASIC PRINCIPLE OF RADIOIGRAPHY, RADIATION HAZARDS AND PROTECTION

Paper-III

Time - Three Hours 

Maximum Marks : 100

Question NO. 1 is Compulsory
Attempt any FIVE from rest of the questions.

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1. a) What is alara principle ?

    b) Define exposure, Dose and Equivalent dose.

    c) What are the effect of of variation in mA and kV on output X-rays ?

    d) What are the criteria of choosing a target material of Diagnostic X-Ray tube ?

    e) Write radiation dose limit for occupational workers and public.

2. a) Draw a neat line diagram of Cobalt Therapy room.

    b) Describe necessory measures required during the planning and construction of cobalt therapy room.

3. a) Describe various factors which influences radiation effects on tumor cells.

    b) Write properties of xray.

4. a) Describe various radiation protection procedures ?

    b) What do you understand by HVT ?  Write factors on which HVT depends ?

5. Describe different type of interaction of radiation with matter ?

6. a) Describe basic principle of radiation detection.

    b) Describe working of GM counter

7. a) Film Badge

    b) TLD Badge

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