15.
16.
10.
18.
19.
20.
21.
22.

23.
24.
25.
26.
27.
28.
29.
30.

31.
92.

38.

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2 D 30192

Define ID50.
What is a Pandemic ?
What do you mean by nosocomial infection ?
Differentiate between virulence and pathogenecity.
Brief on the culture and morphology of S.pneumoniae.
Explain the cultural and biochemical characteristics of Escherichia coli.
Differentiate healthy carrier and convalescent carrier.
What is Bacteremia ?
(10 x 2 = 20 marks)
Part C (Short Essay Questions)

Answer any six questions.
Each question carries 5 marks.

What are the different stages of Syphilis ? Explain.
Comment on the various methods of transmission of infection.
Explain the pathogenesis, symptoms and lab diagnosis of cholera.
What are the various sources of Infection ? Explain.
Write a note on blood culture.
Write in detail about the pathogenicity and symptoms of typhoid.
What are the serological tests used for the diagnosis of syphilis ? Explain.
Explain the pathogenesis of Mycobacterium tuberculosis.
(6 x 5 = 30 marks)
Part D (Essay Questions)

Answer any two questions.
Each question carries 12 marks.

Explain in detail about the normal flora of human body. Give its advantages and disadvantages.

Write an essay on morphology, cultural characteristics, biochemical characters, pathogenicity,
laboratory diagnosis and prevention of tetanus.

Describe the morphological, cultural and biochemical characteristics of Staphylococcus aureus.
Add note on pathogenicity and laboratory diagnosis of diseases caused by Staphylococcus aureus.

(2 x 12 = 24 marks)

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