CBSE-MICROBIOLOGY LABARATORY OBSERVATIONS QUESTIONS WITH CORRECT ANSWERS

Staphylococcus - ***gram + clusters streptococcus - ***gram + chains or pairs bacillus anthracis - ***gram + rod clostridia (tetani, botulinum, perfringens, difficile) - ***gram + obligate anaerobic rods group B - ***Strep. agalactiae group A - ***Strep. pyogenes a-hemolytic bacteria - ***gram + cocci -S. pneumoniae -Viridans Streptococci catalase - and optochin sensitive = - ***S. pneumoniae catalase - and optochin resistant = - ***Viridans streptococci B-hemolytic bacteria - ***gram + cocci -S. aureus -S. pyogenes -S. agalactiae catalase and coagulase + = - ***S. aureus catalase - and bacitracin sensitive = - ***S. pyogenes (group A strep) catalase - and bacitracin resistant = - ***S. agalactiae (group B strep) staphylococcus epidermidis - ***gram + cocci catalase + coagulase + urease + novobiocin sensitive gram +, lancet-shaped diplococci - ***S. pneumoniae viridans group streptococci - ***gram + a-hemolytic cocci optochin resistant -S. mutans -S. mitis -S. sanguinis bacteria associated with colon cancer - ***S. bovis (gram + cocci) enterococci - ***gram + cocci, catalase -, PYR + E. faecalis E. faecium -PENICILLIN G RESISTANT -VANCOMYCIN-RESISTANT -CAN GROW IN NaCl and BILE anthrax toxin similar to what other toxin? - ***Bordatella Pertussis C. diphtheriae - ***gram + rod -exotoxin inhibits protein synthesis via ADP-ribosylation of EF-2 -lab = red & blue granules listeria - ***gram + facultative intracellular rod. gram +, long branching filaments resembling fungi - ***NOCARDIA ACTINOMYCES Nocardia - ***gram + aerobe long branching filaments acid fast -FOUND IN SOIL -treat with SULFONAMIDES Actinomyces - ***gram + anaerobe SULFUR GRANULES -treat with PENICILLIN gram - diplococci - ***Neisseria meningitidis