FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
JUNE 2018

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.
NUCLEAR MEDICINE
PAPER-I
TIME: 3 HOURS NM/J/18/24/I
MAX. MARKS: 100
IMPORTANT INSTRUCTIONS
Attempt all questions in order.
Each question carries 10 marks.
Read the question carefully and answer to the point neatly and legibly.
Do not leave any blank pages between two answers.
Indicate the question number correctly for the answer in the margin space
Answer all the parts of a single question together.
Start the answer to a question on a fresh page or leave adequate space between two answers.
Draw table/diagrams/flowcharts wherever appropriate.
Write short notes on:
1. What are various methods of radioactive decays? Derive the
radioactivity equation.
5+5
2. What is NEMA? Describe the QC of a SPECT/CT system. 2+8
3. Linear Energy Transfer
Bremsstrahlung Radiation
5+5
4. Gamma Well Counter and its QC methods
Gamma Ray Spectrometry and identification of unknown
radionuclides.
5+5
5. Gaussian Distribution and Poisson Distribution.
Standard Deviation and Coefficient Variation.
5+5
6. Measurements of Concordance.
ROC Analysis
5+5
7. Enumerate various Personal Dose monitoring devices and
describe TLD in detail.
2+8
8. Radiation Units in Nuclear Medicine
QC of Dose Calibrator.
5+5
9. Define Phantoms and discuss the various PET/CT Phantoms. 2+8
10. Deterministic and Stochastic effects
Characteristic X-rays
Tenth Value Layer
ICRP Tissue weighing Factors in 1990 vs 2007 publications.
2.5x4