B. Sc Radiotherapy Technology 1st Year
(BF/2017/09)
Basic Principles of Radiotherapy-I

M.M.: 80 Time: 3 Hours
Note: 1.) Attempt all questions.
2.) ATTEMPT BOTH PARTS IN SINGLE ANSWER BOOK ONLY.
3.) NO SUPPLEMENTARY SHEET SHALL BE ALLOWED/ PROVIDED
4.) The Student must write Q.P. Code in the space provided on the Title page of the Answer Book.

Section-A

1. Write about the following. (All the five questions are compulsory)

a. Radiation protection
b. Therapeutic ratio
c. Clinical applications of moold room technique
d. Linear accelerator
e. Beam direction devices

2. Attempt any one. Both questions carry equal marks.

a. Discuss basic principles of brachytherapy and advantages of after loading brachytherapy in detail. [15]

OR

b. Describe various biological effects of radiation in detail. [15]

Section

3. Write about the following. (All the five questions are compulsory)

a. Film badge
b. MPD
c. Radiation exposure units
d. Radium substitutes
e. Ionizing radiations.

4. Attempt any one. Both questions carry equal marks.

a. What do you understand by teletherapy? Discuss in detail ortho voltage and megavoltage radiations. [15]
OR

b. What is radio sensitivity? Classify malignent tumors according to their radio sensitivity