1. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals: Throat Skin Nails Hair 2. Opacity around colonies of Clostridium perfringens is due to – Desmotase Theta toxin Lecithinase Cytokinin 3. Adjuvant given along with antigens are going to reduce the toxigenicity reduce the antigenicity increase toxigenicity increase antigenicity 4. Chlamydia causes all of the following except Mon-gonococcal urethritis Parotitis Trachoma Pneumonia 5. Endotoxins have all but one of the properties given below: Not secreted outside the cell Produced by gram negative bacteria Produced by gram positive bacteria Cannot be toxoided 6. Granules in the Corynebacterium diphtheria are called by following names, except Refractile granules Votutin granules Babes Ernst granules Metachromatic granules 7. The type of immunoglobulin most commonly increased in multiple myeloma is IgA IgD IgM IgG 8. In penicillin allergy, penicillin acts as a: Toxin Super antigen Carrier Hapten 9. All are true regarding Bordetella Pertussis except: Causes whooping cough. Children and adults who are vaccinated can have disease later in life Antibody immunoassay is diagnostic Nasopharyngeal swab is taken as a sample for diagnosis 10. An example of naturally acquired passive immunity is: Gamma globulin injection Immune blood transfusion Tetanus immunization Placentral transfer of antibodies 11. Resistance of Staphylococcus aureus is due to: Pteomorphism Penicillin analogue production Lack of nucleic acid in the cell wall Elaboration of an enzyme that destroy penicillin 12. First released Immunoglobulin after primary immunization IgE IgG IgD IgM 13. Both intranulear and intracytoplasmic inclusions are present in which of the following viruses Hepatitis B virus Measles virus HIV Pox Virus 14. Culture medium for Corynebacterium diphtheria Loefflers serum slope Lowenstein Jensen Medium Saborauds agar Mcconkey 15. Growth factor needed for Salmonella B-12 Tryptophan Niacin Citrate 16. Bacteria with tuft of flagella at one end are called Monotrichate Lophotrichate Peritrichate Bipolar 17. Which organism causes prosthetic valve endocarditis within 60 days of surgery Fungus Streptococcus viridians Staphylococcus aureus Staphylococcus epidermis 18. The genetic ability of a bacterium to grow in the presence of several antibiotics is passed from one bacterium to other by Transformation Rarefaction Transduction Conjugation 19. Method of sterilization for fibreoptic laryngoscope: Hypochlorite Alcohol Autoclave Glutaraldehyde 20. Polypeptide capsule is seen in Clostridium welchii Bacillus anthracis Staphylococcus aureus Corynebacterium diphtheria Loading … Question 1 of 20