RUHS
Second Year MBBS Examination
MBBS MICROBIOLOGY PAPER I
Time: 3 hours Max Marks: 40
Date: 14-07-2019

--- Content provided by FirstRanker.com ---

Instructions: Instructions: Question 1 in Section A and Question 5 in Section B are
Compulsory. Attempt any two questions from rest of the questions in each section.
(Use separate answer sheet for each section)
Section 1
1. What is cytokines? Discuss the mechanism of cell medicated immunity in

--- Content provided by‍ FirstRanker.com ---

details.
(10)
2. Write short note on :
a. Bacterial cell wall(A. 17)
(5)

--- Content provided by FirstRanker.com ---

b. Autoclave principle & uses(A. 29,31,33)
3. Write briefly on:
a. Laboratory diagnosis of diphtheria(A. 239)
(5)
b. Significant bacteriuria(A. 278)

--- Content provided by‌ FirstRanker.com ---

4. Write short note on:
a. Stormy fermentation
b. R factor
c. Classify chemical disinfectant(A. 33)
d. Dienes phenomenon

--- Content provided by‍ FirstRanker.com ---

e. Principle of oxidase test
(5)
Section 2
5. Enumerate the causes of PUO & discuss in detail the laboratory diagnosis.
12

--- Content provided by‍ FirstRanker.com ---

6. Write short note on:
a. Mechanism of tetanus toxin
(5)
b. ETEC
7. Write briefly on:

--- Content provided by‌ FirstRanker.com ---

a. LGV
(5)
b. Mechanism of autoimmunity

---

8. Write short note on:
a. BCG vaccine

--- Content provided by FirstRanker.com ---

b. Plasmid (A. 18)
c. Transport media(A. 43)
d. IgA antibody
e. Transfer factor
(5)

--- Content provided by‍ FirstRanker.com ---

***

---

Document Outline

• ?
  • ?
  • ?

---