BU 06

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECH.

SECOND SEMESTER – April 2009

ML 2810/ML 2801 – HUMAN PATHOGENS

 

 

 

Date & Time: 20/04/2009 / 1:00 – 4:00        Dept. No.                                                                     Max. : 100 Marks

 

 

PART – A

 

(Answer ALL)                                                                                                           (10 ´ 2 = 20)

1. Comment on coagulase test?
2. Differentiate saprophyte from parasite.
3. Name two selective media used for the isolation of Vibrio cholerae.
4. Enumerate the antigenic variations in Salmonella.
5. What is parotitis? Mention the causative agent.
6. Define quellung reaction.
7. What are Dane particles?
8. Expand: PHC, PCR, AST, IgG.
9. What is weil felix reaction?
10. Enumerate any four subcutaneous mycoses.

PART – B

(Answer any FOUR)                                                                                                   (4 ´ 10 = 40)

1. Explain the life cycle and laboratory diagnosis of Chlamydea.
2. Give an account on clinical importance and laboratory diagnosis of adenovirus.
3. Write notes on the pathogenesis and laboratory diagnosis of Coccidioidomycosis.
4. Describe the life cycle and pathogenesis of Giardia lamblia.
5. Describe the life cycle and laboratory diagnosis of Taenia solium.

16. Explain the lytic and lysogenic reproductive cycle in bacteriophage.

PART – C

(Answer any TWO)                                                                                                      (2 ´ 20 = 40)

1. Discuss the development of Ancylostoma dudenale with labeled diagram. Add a note on pathogenesis, laboratory diagnosis, treatment and prevention.
2. Describe the development of Leishmania with neat labeled sketch. Add a note on pathogenesis, laboratory diagnosis, treatment and prevention.
3. Name the three fungi causing Dermatophytosis and discuss the pathogenesis and laboratory diagnosis.
4. Explain the importance of Paramyxovirus. Give a detailed account on pathogenesis, laboratory diagnosis, treatment and prophylaxis of mumps virus.

 

 

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