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:
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.
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.
