SECOND M.B.B.S.,2011 Question Paper,Paper I – GENERAL MICROBIOLOGY, IMMUNOLOGY AND SYSTEMIC BACTERIOLOGYDr. MGR University Question Paper,

Dr. MGR University Question Paper
SECOND M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
Paper I – GENERAL MICROBIOLOGY, IMMUNOLOGY
AND SYSTEMIC BACTERIOLOGY
Q. P. Code : 524061
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
I. Essay Questions : (2 x 15 = 30)
 1. Define sterilization and disinfection.
 Discuss the methods of sterilization by moist heat with suitable examples.
 2. Enumerate the bacteria causing diarrhoea.
 Discuss the morphology, cultural characteristics, pathogenecity and laboratory
 diagnosis of Vibrio cholera.
II. Write Short notes on : (10 x 5 = 50)
1. Fimbriae.
2. Immuno fluorescence methods.
3. Sources of human infection.
4. Cytokines.
5. Distinguishing factors of T and B lymphocytes.
6. Biochemical tests to identify mycobacterium.
7. Human Leukocyte Antigen (HLA).
8. Toxins and virulence factors of streptococci.
9. Enterotoxigenic Escherichia Coli (ETEC).
 10. Listeria monocytogens.
III. Short Answer Questions : (10 x 2 = 20)
1. Name four anaerobic bacteria.
2. Name four chemical methods of sterilization.
3. Enrichment media.
4. Features of transferable drug resistance.
5. Diagram of Immunoglobulin.
6. Name four combined (T & B cell) immunodeficiency disorders.
7. Name four non-organ specific auto immune disorders.
8. Louis Pasteur.
9. Etiology of non-gonococcal (non-specific) urethritis.
 10. Mention the various types of hypersensitivity reactions.
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