1. Actinomycetes is Gram negative bacteria A yeast like form ram positive bacteria Fungus 2. The earliest identifiable cells of T-Cell Lineage during maturation are CD4+ Pre-T-Cells CD8+ Pro-T-Colls CD8+ Pre-T-Cells CD7 + Pro-T-Cells 3. Anaerobic bacteria can be cultured in L-J medium Sabourauds agar Robertson cooked meat medium Loefflers medium 4. Bacteria used in probiotics is All E. Coli Diphtheria Bifidobacterium 5. Streptococcus mutans can be distinguished from other streptococci by Production of extracellular polysaccharides Optochin sensitivity Fermentation of mannitol and sorbitol Hemolysis on blood agar 6. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called as Natural active immunity Passive acquired Immunity Passive natural immunity Active acquired immunity 7. Which of the following statements related to cross-infection is not true? prions are resistant to conventional sterilization methods viral infections are unlikely to spread during the prodromal stage blood, saliva are regarded as fomites with respect to infection transmission Droplet nuclei less than 100 /lm in diameter are entrained in the air for many hours 8. True about Toxaplasma gondi is, it is carried by – Cats Cow Dogs Rats 9. Mycotic abscesles are due to: Fungal infection. Viral infection. Mixed infection Bacterial Infection 10. Pentameric structure: IgA IgM IgD IgG 11. Polypeptide capsule is seen in Clostridium welchii Staphylococcus aureus Bacillus anthracis Corynebacterium diphtheria 12. Post streptococcal acute glomerulus nephritis is an example for Type I hypersensitivity Type IV hypersensitivity Type III hypersensitivity Type II hypersensitivity 13. Which of the following investigations should be done immediately to best confirm a non matched blood transfusion reaction Indirect Coomb’s test Antibody in patient’s serum Direct Coomb’s test Antibody in donor serum 14. Which of the following is an enrichment medium? Nutrient Broth Selenite F Broth Blood agar Mac Conkey agar 15. True regarding Malaria: Trophozoites are infective to mosquitoes Schizont are infective to mosquitoes Tissue phase is seen in P. Falciparum Tissue phase is seen in P. vivax 16. The most common pathogens responsible for nosocomial pneumonias in the ICU are Mycoplasma. Gram negative organisms. Virus infections. Gram positive organisms. 17. Ig predominant in saliva is: IgM IgA IgE IgD 18. False about Staphylococcus lugdunensis Causes infection of native valve Susceptible to antimicrobial Skin commensal Does not produce coagulase 19. All of the following are true regarding chlamydia trachomatis except: Inside the cell it evades phagolysosome Elementary body is metabolically active It has a bipha’sic life Reticulate body divides by binary fission 20. The virus HIV is produced and propagated in: Epithelial cells of the sex organs Circulating T4 lymphocytes Dendritic cells of the lymphnode germinal epithelium B- Lymphocytes Loading … Question 1 of 20