RUHS Microbiology Paper II – II MBBS Main Exam (July 2025) | New CBME Scheme

RUHS Microbiology Paper II – II MBBS Main Exam (July 2025) | New CBME Scheme

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  06-08-2025 II-MBBS Second M.B.B.S. (Main)Examination (New Scheme) July-2025 MICROBIOLOGY Paper-II Time: Three Hours Maximum Marks: 100 Attempt all questions from both sections (Use a separate answer book for each section) Section-A Q.1 Fill in the blanks a) Invasive form of Entamoeba histolytica is _____ b) The most common viral cause of Gastroenteritis _____ c) The Definitive host for Echinococcosis is _____ d) Pseudomembranous colitis is caused by _____ e) Hepatitis virus is associated with highest mortality in pregnancy _____ f) Synergohymenotropic toxin includes _____ Q.2 Answer the following (multiple choice questions) i) Which of the following media can be used as transport medium for vibrios? a) Selenite F broth b) Tetrathionate broth c) Venkatraman-Ramakrishnan medium d) Nutrient Broth ii) All of the following intestinal nematodes are Oviparous, except: a) Round worm b) Strongyloides c) Hookworm d) Enterobius iii) The larval form of Hymenolepis nana is called a) Hydatid cyst b) Coenurus c) Cysticercus d) Cysticercoid iv) Which of the following is the common agent of visceral larva migrans? a) Toxocara canis b) Ancylostoma c) Ascaris d) Strongyloides
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  Q.3 Antima, a4 year old girl from Bhubaneswar was brought to the emergency room by her parents due to an acute onset of fever, productive cough and dyspnea for the past 2 days. Physical examination revealed dull note on percussion. Direct examination of the sputum revealed plenty of pus cells and gram positive lanceolate-shaped diplococci surrounded by a halo. a) What is your clinical diagnosis of this condition and most likely etiological agent? b) How will you confirm the etiological agent in the laboratory? c) Describe the virulence factors and pathogenesis of the etiological agent. d) How will you manage this clinical condition? e) Mention its prophylaxis. Q.4 Write short notes on (any 5) a) Nontyphoidal salmonellae b) Halophilic vibrios c) Nagler's reaction d) Non Gonococcal urethritis e) Enumerate tissue nematodes f) Enumerate viruses causing hepatitis Q.5 Explain briefly (any 3) a) Oncogenic virus b) Lab Diagnosis of COVID-19 infection c) Cutaneous larva migrans d) Dermatophytosis Section-B Q.6 Enumerate the causative agents of urinary tract infection. Write predisposing factors, pathogenesis, clinical features and lab diagnosis of UTI. Q.7 Explain briefly (any 5) a) Atypical pneumonia b) Staphylococcal Scalded Skin Syndrome c) Pathogenesis of Tetanus d) Cerebral malaria e) Cryptococcal meningitis f) Types of botulism Q.8 Explain briefly (any 4) a) Amoebic liver abscess b) Antibiotic associated diarrhea c) Nocardiosis d) Zygomycosis e) Ethics and confidentiality in laboratory results