B. Sc Radiotherapy Technology 2nd Year
(BF/2017/09)
Radiotherapy Equipments Quality Assurance Procedures-II

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)
[5x5=25]
a. Lead blocks
b. Interlock switch
c. Source half life
d. Image registration
e. DRR

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

a. Describe the working of HDR brachytherapy unit and its applications. [15]

OR

b. Describe the radiation hazards during manual source handling. [15]
Section
3. Write about the following. (All the five questions are compulsory)

a. L-bench.
b. Ir-192
c. Main safe
d. Transport container
e. TPS

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

a. Describe the QA tests and procedures of HDR brachytherapy units. [15]

OR

b. Describe about the Intensity Modulated Radiotherapy (IMRT) [15]