KNRUHS MBBS Microbiology August 2025 (MB2019116 Regular)

MB2019116Kaloji Narayana Rao University of Health Sciences · Microbiology · 2025 · August · Regular

Questions (25)

1.Which of the following is not considered a potential agent of bioterrorism and biologic warfare? a) Yersinia pestis b) Botulinum toxin c) Streptococcus pyogenes d) Bacillus anthracis
1 Mark
2.In a patient with bubonic form of plague, all the following specimens are acceptable for diagnosis except a) Stool culture b) Blood culture c) Culture of lymph node aspirate d) Acute and convalescent serum
1 Mark
3.Staphylococcus epidermidis may cause: a) Toxic shock syndrome b) Stitch abscess c) Staphylococcal scalded skin syndrome d) All of the above
1 Mark
4.Soft chancre is caused by a) Treponema pallidum b) Neisseria gonorrhoeae c) Haemophilus ducreyi d) Chlamydia trachomatis
1 Mark
5.Tissue should be segregated in which colour bag? a) Yellow b) Blue c) Red d) Black
1 Mark
6.Subacute sclerosing panencephalitis is a complication of a) Mumps b) Measles c) Rubella d) Rabies
1 Mark
7.Which of the following is not used as an indicator organism of faecal contamination of water a) Escherichia coli b) Salmonella typhi c) Faecal Streptococci d) Pseudomonas
1 Mark
8.Intracellular survival of Mycobacterium tubercle bacilli inside the macrophage is due to a) Inhibition of entry into host cell b) Inhibition of entry into phagosome c) Inhibition of phagosome and lysosome fusion d) Inhibition of degradation by lysosomal enzymes
1 Mark
9.Cutaneous leishmaniasis is also called as a) Delhi boil b) Aleppo boil c) Baghdad button d) All of the above
1 Mark
10.Gene targets for confirmation of COV1D 19 includes a) Spike Protein b) Envelope protein c) Membrane protein d) RNA dependent RNA polymerase
1 Mark
11.A 55-year-old male came to OPD with complaints of fever, vomiting, severe headache and photophobia since 2 days. On examination he had a temperature of 39o C pulse rate of 96 bpm. He has recently had ear infection. Neck stiffness was noted. Relevant sample was spent for confirmation of the diagnosis. a. Elaborate on the sample collection. b. Gram stain report of the sample revealed lens shaped gram-positive Diplococci with a halo around and plenty of the Polymorphonuclear cells. Identify the probable pathogen. c. Elaborate on laboratory tests done to confirm the pathogen. d. Add a note on Prophylaxis and treatment available for this pathogen.
15 Marks
12.A farmer presented to the OPD with history of Papulo Vesicular Lesion over the neck. Which later on developed into a coal black, necrotic wound for the past 3 days, tissue from the necrotic area on Gram staining revealed Gram positive bacilli arranged in chains. a. What is the clinical diagnosis and causative agent? b. Describe the pathogenesis and various forms of clinical presentation of this infection. c. Describe the laboratory investigations to confirm the diagnosis.
15 Marks
13.Guinea worm infection.
6 Marks
14.Gonorrhoea- pathogenesis and Lab diagnosis
6 Marks
15.Laboratory diagnosis of Diphtheria.
6 Marks
16.Mumps.
6 Marks
17.Extra intestinal amoebiasis.
6 Marks
18.Mucormycosis.
6 Marks
19.Lab diagnosis of Extra Pulmonary Tuberculosis.
6 Marks
20.Name three Zoonotic Diseases.
3 Marks
21.What is the color coding for Biomedical Waste according to BMW management rules 2016.
3 Marks
22.Congenital Syphilis.
3 Marks
23.DPT Vaccine.
3 Marks
24.Name three Microfilaria of medical importance.
3 Marks
25.Name three agents causing Ocular Mycoses.
3 Marks

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