Microbiology Paper-2 (Main), 2020 MBBS Batch ABVMU Lucknow

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW

MBBS IInd PROFESSIONAL EXAMINATION - NOV-2022

TIME: 3 Hrs

SUBJECT: MICROBIOLOGY PAPER-II

Max. Marks: 100

Note: Attempt all questions. Answer PART- A and PART - B in separate answer books. All part of a question should be answered together.

PART-A

PAPER CODE: 2212130006

Q.1 Long Answer Question (3+3+9=15)

A 45-years-old male on dialysis presents with low grade fever and jaundice. The treating physician suspects viral hepatitis.

a) Enumerate agents of viral hepatitis.

b) Discuss the likely etiology in this case.

c) Discuss the laboratory tests and approach that can be used to confirm etiological diagnosis of viral hepatitis.

Q.2 Short Notes Questions (within 500 words) (5x3=15)

a) Candida albicans

b) Mycetoma

c) Covid-19 laboratory diagnosis and vaccination

Q.3 Short Answer Questions (within 100 words) (2x5=10)

a) HIV virus

b) Polio vaccine

c) Epidermophyton floccosum.

d) Histoplasmosis

e) Influenza A

Q.4 Multiple Choice Questions (1x10=10)

1. The most common viral cause of diarrhoea in very young children is

a) Influenza virus

b) JK virus

c) Poliovirus

d) Rotavirus

2. Which of the following does not belong to the herpesvirus family?

a) Varicella Zoster

b) Cytomegalovirus

c) Herpes Simplex virus

d) Rubella virus

3. The most common type of Human Papilloma Virus associated with cervical cancer is

a) Type 1

b) Type 11

c) Type 16

4. FALSE for Japanese encephalitis

a) It occurs in rural areas

b) Is transmitted mainly by the Anopheles mosquitoes

c) Can be prevented by vaccination

d) Leads to neurological complications

5. All the following are FALSE about Kyasanur Forest Disease, EXCEPT?

a) Symptoms are mainly respiratory

b) It is a tick-borne infection

c) Transmission occurs from man to man

d) It occurs mainly in Gujarat

6. All the following are true with regards to dengue, EXCEPT

a) It is a flaviviruses

b) Important cause of virai haemorrhagic fever

c) Transmitted by the aedes mosquito

d) Never cause re-infections

7. Viruses belonging to which of the following groups are likely to establish latent infections?

a) Poxviruses

b) Filoviruses

c) Herpesviruses

d) Influenza viruses

8. Which of the following is an important factor in the pathogenicity of Cryptococcus neoformans?

a) Toxin

b) Pili

c) Flagella

d) Capsule

9. Tinea versicolor is caused by

a) Aspergillus fumigatus

b) Candida albicans

c) Malassezia furfur

d) Pichia anomala

10. One of the following is not a dimorphic fungus:

a) Blastomyces dermatitidis

b) Cryptococcus neoformans

c) Coccidioides immitis

d) Histoplasma capsulatum

Part B - PAPER CODE: 2212230006

Q1. Long Answer Question (15 x 1 = 15)

A 23-year-old woman from a rural area presents with a two-month history of cough, low-grade fever, and night sweats. Her father had been treated for pulmonary tuberculosis two years back. She needs to be investigated for pulmonary tuberculosis.

Discuss the laboratory tests and approach that should be used in this case.

Q2. Short Notes Questions (within 500 words) (5 x 3 = 15)

a) Wuchereria bancrofti with a focus on life cycle and laboratory tests for filariasis.
b) Amoebiasis.
c) Informed consent with practical examples.

Q3. Short Answer Questions (within 100 words) (2 x 5 = 10)

a) Plasmodium falciparum gametocyte.
b) Stool concentration methods.
c) Taenia solium life cycle.
d) Giardia lamblia trophozoite.
e) Pinworm infection.

Q4. Multiple Choice Questions (1 x 10 = 10)

1. All are examples of atypical mycobacteria, EXCEPT:
   a) M. bovis
   b) M. fortuitum
   c) M. kansasii
   d) M. marinum

2. Sexual cycle of malaria parasite occurs in:
   a) Male Culex mosquito
   b) Male Anopheles mosquito
   c) Female Anopheles mosquito
   d) Female Culex mosquito

3. B12 deficiency occurs with which infection?
   a) Schistosoma haematobium
   b) Diphyllobothrium latum
   c) Fasciolopsis buski
   d) Echinococcus granulosus

4. Katayama fever is associated with:
   a) Diphyllobothrium latum
   b) Fasciola hepatica
   c) Schistosoma japonicum
   d) Paragonimus westermani

5. Acid-fastness of mycobacteria is due to:
   a) Peptidoglycan layer
   b) Arabinogalactan layer
   c) Mycolic acid layer
   d) Lipopolysaccharide layer

6. Adult Ascaris lumbricoides most commonly causes:
   a) Cardiac symptoms
   b) Cerebral symptoms
   c) Gastrointestinal symptoms
   d) Respiratory symptoms

7. Cyclops is an intermediate host for:
   a) Trichinella spiralis
   b) Schistosoma haematobium
   c) Dracunculus medinensis
   d) Taenia solium

8. One of the following may cause hyperinfection in HIV patients:
   a) Entamoeba histolytica
   b) Trichomonas intestinalis
   c) Trichomonas vaginalis
   d) Strongyloides stercoralis

9. Mycobacterium leprae can be grown in:
   a) Blood agar
   b) LJ media
   c) MGIT system
   d) Nine-banded armadillo

10. Kala-azar is caused by which of the following

    a)Leishmania donovani

    b)Leishmania Tropica

    c)Trypanosoma brucei

    d)Trypanosoma cruzi

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