Q.P. Code: 205001 Reg. no.: …………………
Second Professional MBBS Degree Examinations, February 2016
Microbiology - Paper I
Time: 2 Hours Total Marks: 40
- Answer all questions
- Draw diagrams wherever necessary
Essay: (10)
1. Read the clinical history and answer the following questions:
A 24 years old man was admitted in medical ward with a history of diarrhea for the
past two days. On clinical examination he was severely dehydrated. The macroscopic
appearance of the stool resembled ‘rice water’. Answer the following:
- What is the probable diagnosis and name the causative agent
- Mention the method of sample collection and transportation of the sample to the
- laboratory.
- What is the pathogenesis of the above disease.
- Describe the laboratory diagnosis.
- What is the prophylaxis. (1+2+2+4+1=10)
Short essay: (2x5=10)
2. Type IV hypersensitivity reaction.
3. Pathogenesis and laboratory diagnosis of enteric fever.
Short notes: (10x2=20)
4. Tyndallisation.
5. T-helper cells.
6. Transduction
7. Bacterial flagella
8. Enrichment medium.
9. Lymphogranuloma venereum.
10. Helicobacter pylori.
11. Coagulase test.
12. Nagler reaction.
13. Types of diarrhoeogenic esherichia coli.
