Download RGUHS MBBS 2nd Year 2023 May 1030 Microbiology Paper I Rs 4 Previous Question Paper

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Rajiv Gandhi University of Health Sciences, Karnataka

MBBS Phase - II (CBME) Degree Examination - 24-May-2023

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Time: Three Hours Max. Marks: 100 Marks

MICROBIOLOGY – PAPER I (RS-4)

Q.P. CODE: 1030

(QP contains two pages)

Your answers should be specific to the questions asked

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Draw neat, labeled diagrams wherever necessary

LONG ESSAYS 2 x 10 = 20 Marks

1. A 35 year old male came with history of intravenous drug abuse and is admitted with complaints of unexplained fever progressive weight loss persistent diarrhoea and generalized lymph adenopathy for the past 8 months
   1. What is the most probable diagnosis?
   2. Discuss the pathogenesis of the disease
   3. The laboratory diagnosis with NACO guidelines

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   4. Precautions to be followed for prevention
2. A 13 year old boy developed severe watery diarrhoea and vomiting. The stool collected has a rice water type of appearance. It was sent for bacterial culture
   1. What is the probable etiological agent of this condition?
   2. Describe in detail the pathogenesis of this condition
   3. Describe the laboratory diagnosis of this organism

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   4. Add a note on prophylaxis and prevention

SHORT ESSAYS 8 x 5 = 40 Marks

3. Monoclonal antibodies
4. Mechanisms of autoimmune disease

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5. Modes of transmission of infections
6. Dimorphic fungi causing infections
7. Laboratory diagnosis of Falciparum malaria
8. Classify protozoan infections with example
9. Acid peptic disease - Causative organisms, pathogenesis and diagnosis

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10. Laboratory diagnosis of Mycetoma

SHORT ANSWERS 10 x 3 = 30 Marks

11. List three functions of complement
12. Mention three agglutination tests
13. What are the risk categories of Spaulding classification and the definitions for each category?

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14. Lab diagnosis of intestinal amoebiasis
15. Lab diagnosis of tinea infections
16. Tzanck smear
17. Widal test
18. Name six bacteria causing diabetic foot infection

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19. Pathogenesis of Shigella
20. Lab diagnosis of skin lesions caused by staphylococcus

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Multiple Choice Questions 10 x 1 = 10 Marks

21. Fungi that do not affect nail
    1. Trichophyton

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    2. Epidermophyton
    3. Microsporum
    4. Candida albicans
22. Tinea versicolor is caused by
    1. Candida albicans

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    2. Trichophyton rubrum
    3. Trichophyton mentagrophytes
    4. Malassezia furfur
23. Vector for Leishmaniasis is
    1. Sandfly

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    2. Reduvid bug
    3. Tsetse fly
    4. Anopheles mosquito
24. Subacute sclerosing panencephalitis (SSPE) is a complication of which viral infection
    1. Mumps

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    2. Measles
    3. Rubella
    4. Influenza
25. CAMP test is used to identify which of the following bacteria
    1. Streptococcus pyogenes

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    2. Streptococcus agalactiae
    3. Streptococcus pneumonia
    4. Viridans streptococci

22. Scalded skin syndrome is mediated by
    1. Hemolysin

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    2. Coagulase
    3. Enterotoxin
    4. Epidermolytic toxin
23. Which of the following is not a liver fluke
    1. Fasciolopsis buski

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    2. Fasciola hepatica
    3. Clonorchis sinensis
    4. Opisthorchis viverini
24. Which is known as Australia antigen
    1. HBsAg

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    2. HBcAg
    3. HBeAg
    4. HBV DNA
25. Antibodies against which of the following antigen appear in typhoid carrier
    1. O antigen

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    2. H antigen
    3. Vi antigen
    4. Capsular antigen
26. Transfer of DNA from one bacterium to another by a bacteriophage is called
    1. Conjugation

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    2. Transduction
    3. Transformation
    4. Transposition

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