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.
RADIODIAGNOSIS
PAPER-IV
TIME: 3 HOURS RDG/J/18/40/IV
MAX. MARKS: 100
IMPORTANT INSTRUCTIONS
This question paper consists of 10 questions divided into Part "A" and part each part
containing 5 questions.
Answers to questions of part A and part B are to be strictly attempted in separate answer sheet(s)
and the main supplementary answer sheet(s) used for each part must be tagged separately.
Answers to question(s) of Part A attempted in answer sheet(s) of part B or Vice versa shall not be
evaluated.
Answer sheets of Part A and Part B are not to be tagged together.
Part A and Part B should be mentioned only on the covering page of the respective answer sheets.
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:
PART A
1. Draw labelled diagram(s) of the suprahyoid neck spaces.
10
2. A patient develops severe hypotension immediately following the
intravenous administration of an iodinated water-soluble contrast
medium. How would you manage such a patient?
10
3. Define the terms "Roentgen", "Rad", "Gray" and "Sievert". State
the acceptable upper limits of radiation exposure in a radiation
worker as per the AERB guidelines.
8+2
4. What are the types of nephrotoxicity reactions associated with
water-soluble contrast media and what are their defining
features? What are the proposed mechanisms which produce
contrast induced nephrotoxicity?
6+4
5. Discuss the pre-procedure work-up, procedure, and the postprocedure
care in a patient scheduled to undergo a trucut/core
biopsy for a hepatic mass lesion.

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.
RADIODIAGNOSIS
PAPER-IV
Please read carefully the important instructions mentioned on Page
Answers to questions of Part A and part B are to be strictly attempted in separate answer sheets and the
main supplementary answer sheets used for each part must be tagged separately.
Answers to question(s) of Part A attempted in answer sheets of Part B or vice versa shall not be evaluated.
PART B
6. State the age of appearance and fusion of various epiphyses
around the elbow joint on plain radiographs in a male subject.
Discuss how radiography can help in gender determination in an
adult subject.
5+5
7. Describe the physical principle behind various diffusion
weighted imaging techniques. Discuss their clinical usefulness.
4+6
8. Define the statistical terms "accuracy", "positive predictive
value" and "negative predictive value", citing their clinical
usefulness.

9. Enumerate the constituents of ultrasound jelly. State the
significance of each constituent.
10
10. Enumerate the MR contrast agents. Discuss their potential
adverse effects.
3+7