Download RGUHS MBBS 2nd Year 2024 Dec 1030 Microbiology Paper I Rs 4 Question Paper

www.FirstRanker.com www.FirstRanker.com QP CODE : 1030

Rajiv Gandhi University of Health Sciences, Karnataka

MBBS Phase - II (CBME) Degree Examination - 11-Dec-2024

--- Content provided by⁠ FirstRanker.com ---

Time: Three Hours Max. Marks: 100

MICROBIOLOGY – PAPER I (RS-4)

Q.P. CODE: 1030

(QP contains two pages)

Your answers should be specific to the questions asked

--- Content provided by​ FirstRanker.com ---

Draw neat, labeled diagrams wherever necessary

LONG ESSAYS 2 x 10 = 20 Marks

1. A 9 year old boy from an overcrowded colony presented to the paediatric emergency department during monsoons with complaints of profuse and frequent watery diarrhoea since the previous day, accompanied by 2-3 episodes of vomiting. On examination, he was found to be moderately dehydrated. The stool on gross examination had a characteristic 'Rice water' appearance.

   1. What is the probable etiological diagnosis?
   2. Discuss in detail epidemiology and pathogenesis of the above condition

   --- Content provided by‍ FirstRanker.com ---

   3. Add a note on laboratory diagnosis

2. A 30 year old young adult with history of multiple sex partners is admitted with complaints of unexplained fever, weight loss, persistent diarrhoea and generalized lymphadenopathy for past 6 months.

   1. What is the probable diagnosis?
   2. Discuss the pathogenesis and laboratory diagnosis of the above condition

   --- Content provided by FirstRanker.com ---

   3. What are the preventive measures for the above infection?

SHORT ESSAYS 8 x 5 = 40 Marks

3. Describe tuberculin type of delayed hypersensitivity.
4. Describe classes of major histocompatibility complex and their role in Immunity.

--- Content provided by‍ FirstRanker.com ---

5. A child presents with vesicular rashes. Rashes are bilateral, diffuse and centripetal in distribution. Fever appears with each crop of eruption. What is the probable clinical diagnosis & discuss the prevention of this infection

6. Differentiate eumycotic mycetoma from actinomycotic mycetoma
7. Sequence of events that occur following entry of quadri-nucleate cyst of Entamoeba histolytica into the gut
8. Describe the pathogenesis and the laboratory diagnosis of lepromatous leprosy.

--- Content provided by‌ FirstRanker.com ---

9. Diarrheagenic Escherichia coli
10. Describe the differences between resistance acquired by mutation and transferrable drug resistance

SHORT ANSWERS 10 x 3 = 30 Marks

11. Morphological classification of fungi with examples
12. Name three bacterial causes of food poisoning

--- Content provided by​ FirstRanker.com ---

13. Name three infections produced by Staphylococcus aureus.
14. What is occult filariasis?
15. Name three opportunistic sporozoa that cause diarrhea
16. Name three non-albicans species of Candida
17. List three Complications of falciparum malaria

--- Content provided by‌ FirstRanker.com ---

18. Type and schedule of Hepatitis B vaccine
19. What are sequestered antigens? Give examples
20. List differences between active immunity and passive Immunity

www.FirstRanker.com Page 1 of 2 www.FirstRanker.com

www.FirstRanker.com www.FirstRanker.com QP CODE : 1030

--- Content provided by‌ FirstRanker.com ---

Rajiv Gandhi University of Health Sciences, Karnataka

Multiple Choice Questions 10 x 1 = 10 Marks

21. Which of the cells are not associated with immune mechanisms?
    1. Basophils
    2. Dendritic cells
    3. Mast cells

    --- Content provided by‌ FirstRanker.com ---

    4. Epithelial cells
22. Tinea versicolor is caused by
    1. Candida albicans
    2. Trichophyton rubrum
    3. Trichophyton violaceum

    --- Content provided by FirstRanker.com ---

    4. Malassezia furfur
23. False statement about dermatophytes
    1. Fungi that affect the keratinized layer of the skin
    2. Fungi affecting hair and nail
    3. They may be geophilic

    --- Content provided by FirstRanker.com ---

    4. They do not grow at room temperature
24. Weil Felix reaction is based on
    1. Auto specificity
    2. Iso specificity
    3. Species specificity

    --- Content provided by‌ FirstRanker.com ---

    4. Heterogenic specificity
25. All of these are antigen presenting cells EXCEPT
    1. T cells
    2. B cells
    3. Dendritic cells

    --- Content provided by FirstRanker.com ---

    4. Macrophage

22. During which of the following phases bacteria are most susceptible to antibiotics?
    1. Lag Phase
    2. Log phase
    3. Stationary phase

    --- Content provided by‍ FirstRanker.com ---

    4. Phase of decline
23. Who is the father of antiseptic surgery
    1. Robert Koch
    2. Paul Ehrlich
    3. Joseph Lister

    --- Content provided by FirstRanker.com ---

    4. Alexander Fleming
24. During first week of enteric fever, salmonellae can be isolated from all EXCEPT
    1. Bone marrow
    2. Blood
    3. Duodenal aspirate

    --- Content provided by⁠ FirstRanker.com ---

    4. Urine sample
25. Babesiosis is transmitted by bite of
    1. Anopheles mosquito
    2. Sandfly
    3. Mite

    --- Content provided by‍ FirstRanker.com ---

    4. Tick
26. Causative agent of Calabar swelling is
    1. Dracunculus medinensis
    2. Wuchereria bancrofti
    3. Brugiya malayi

    --- Content provided by‍ FirstRanker.com ---

    4. Loa loa

******

www.FirstRanker.com Page 2 of 2 www.FirstRanker.com

--- Content provided by‌ FirstRanker.com ---