Download KNRUHS MBBS 2nd Year Microbiology Paper I 2022 December Question Paper

Download KNRUHS (Kaloji Narayana Rao University of Health Sciences) MBBS (Bachelor of Medicine, Bachelor of Surgery) 2nd Year (Second Year) Microbiology Paper I 2022 December Previous Question Paper | MBBS RUHS

QP. CODE:M102B030

Dr YSR UNIVERSITY OF HEALTH SCIENCES :VIJAYAWADA- 520008

MBBS DEGREE EXAMINATION: DECEMBER, 2022

SECOND M.B.B.S. EXAMINATION

MICROBIOLOGY PAPER-I (Theory Questions)

Time: 2 Hour 40 Minutes Max Marks: 80

Note: Answer all questions.

Draw a neat diagram wherever necessary

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SECTION-II (THEORY QUESTIONS - 80 MARKS)

WRITE ESSAY ON THE FOLLOWING: 2 X15 = 30

1. A 12 year old girl was brought to the OPD with history of intermittent fever

for the last 4 days, there was history of loss of appetite and general

weakness. On examination there was white coated tongue and palpable

spleen. Blood culture was sent to the laboratory. Gram negative bacilli was

seen on gram smear

a. What is the likely causative agent (1)

b. What serological test can be done after one week (1)

c. Describe the pathogenesis of this organism (3)

d. Write in detail about the laboratory diagnosis (4)

e. What is Vi antigen how can it be detected (2)

f. List the vaccine available and prevention (4)



2. List the causes of diarrhea/ dysentery caused by parasites. Describe the life

cycle, clinical features pathogenesis and laboratory diagnosis and prevention
of infection with Glardia lamblla (3+3+2+2+3+2)



WRITE SHORT NOTES ON THE FOLLOWING: 10x5=50

3. Passive immunity

4. Herpes zoster

5. Mechanism of drug resistance in bacteria

6. Diarrhoeagenic Escherichia coli

7. Opportunistic fungal infections in HIV

8. A 28 year old farmer from the village came to the OPD complaining of

weakness and breathlessness whenever he did hard work. On examination

he had pallor. Blood test for hemoglobin estimation was sent and his

hemoglobin level was 5g/dl the stool examination showed ova of hookworm



a. What is the mode of infection with this parasite and infective stage (1)

b. Draw the life cycle of hookworm (2)

c. What are the complications of hookworm infection (2)

9. Dermatophytes

10. Different methods of sterilization

11. Moments of hand hygiene

12. Anaerobic culture methods

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