Download RGUHS MBBS 2nd year 1030 Microbiology Paper I 2024 December Question Paper

FirstRanker.com QP CODE: 1030 FirstRanker.com

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
   3. Add a note on laboratory diagnosis

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

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

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

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.
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

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

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

SHORT ANSWERS 10 x 3 = 30 Marks

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

11. Morphological classification of fungi with examples
12. Name three bacterial causes of food poisoning
13. Name three infections produced by Staphylococcus aureus.
14. What is occult filariasis?
15. Name three opportunistic sporozoa that cause diarrhea

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

16. Name three non-albicans species of Candida
17. List three Complications of falciparum malaria
18. Type and schedule of Hepatitis B vaccine
19. What are sequestered antigens? Give examples
20. List differences between active immunity and passive Immunity

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

FirstRanker.com

FirstRanker.com Page 1 of 2

FirstRanker.com QP CODE: 1030 FirstRanker.com

Rajiv Gandhi University of Health Sciences, Karnataka

Multiple Choice Questions 10 x 1 = 10 Marks

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

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

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

22. ii) Tinea versicolor is caused by
    1. Candida albicans
    2. Trichophyton rubrum
    3. Trichophyton violaceum
    4. Malassezia furfur

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

23. iii) 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
    4. They do not grow at room temperature

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

24. iv) Weil Felix reaction is based on
    1. Auto specificity
    2. Iso specificity
    3. Species specificity
    4. Heterogenic specificity

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

25. v) All of these are antigen presenting cells EXCEPT
    1. T cells
    2. B cells
    3. Dendritic cells
    4. Macrophage

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

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

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

23. ii) Who is the father of antiseptic surgery
    1. Robert Koch
    2. Paul Ehrlich
    3. Joseph Lister
    4. Alexander Fleming

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

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

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

25. iv) Babesiosis is transmitted by bite of
    1. Anopheles mosquito
    2. Sandfly
    3. Mite
    4. Tick

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

26. v) Causative agent of Calabar swelling is
    1. Dracunculus medinensis
    2. Wuchereria bancrofti
    3. Brugiya malayi
    4. Loa loa

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

******

FirstRanker.com

FirstRanker.com Page 2 of 2