[LO 540] FEBRUARY 2019 Sub.Code :5063
M.B.B.S. DEGREE EXAMINATION
SECOND YEAR
PAPER III MICROBIOLOGY I
Q.P. Code: 525063
Time: Three hours Maximum 40 Marks
Answer All Questions
I. Elaborate on: 10)
1. A 15 year old boy presents with history of fever with headache, malaise and
coated tongue of 8 days duration. On examinations boy was found to have step
ladder pyrexia, bradycardia and soft palpable spleen. What is the probable
diagnosis? Write the mode of infection, pathogenesis, lab diagnosis and treatment.
Add a note on its prophylaxis.
II. Write notes on: x 4 24)
1. Toxins of streptococcus pyogenes.
2. Immunoglobulin G. (IgG).
3. Botulism.
4. Lymphogranuloma venereum.
5. Tuberculin testing.
6. Actinomycosis.
III. Short answers on: x 1
1. Transposons.
2. Cold sterilization.
3. Composite media.
4. El Tor vibrios.
5. White graft response.
6. Enumerate four complement deficiency diseases.