FEBRUARY 2018 Sub. Code: 2122
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
THIRD YEAR
PAPER II RADIATION BIOLOGY AND RADIATION SAFETY IN
NUCLEAR MEDICINE
Q.P. Code: 802122
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Write in detail about the absorbed dose from any three diagnostic of
therapeutic Nuclear medicine procedures.
2. Write about the choice of radiopharmaceutical for the clinical situation and
equipments in hand in your hospital.
3. Explain the biologic effects of radiation.
II. Write notes on: x 5 40)
1. Mechanism of cell killing.
2. Explain background radiation.
3. Nuclear medicine and pregnant woman.
4. Explain cell cycle.
5. Define the terms absorbed dose, equivalent dose and effective dose.
6. RBE and mention the same for various types of radiation.
7. Electromagnetic spectrum.
8. Principles of contamination clothing disposal in nuclear medicine.
III. Short answers on: (10 x 3 30)
1. PET CT dosimetry.
2. Effects of radiation.
3. Radiation safety considerations in High dose I131 therapy.
4. Explain the misadministration of isotopes in Nuclear medicine
5. Permissible levels of I31 for burying, cremation and embalming.
6. HVL of lead for Tc99m, I131 and F18.
7. ALARA.
8. ALI.
9. Barrier nursing.
10. Hematopoietic syndrome.