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25 Cards in this Set
- Front
- Back
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Gram +, cocci, catalase +, coagulase +
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Staph aureus
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Gram +, cocci, catalase +, coagulase -, novobiocin sensitive
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Staph epidermidis
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Gram +, cocci, catalase -, alpha hemolytic, optochin sensitive
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strep pneumoniae
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Gram +, cocci, catalase -, alpha hemolytic, optochin resistant
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Viridans streptococci
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Gram +, cocci, catalase -, Beta hemolytic, bacitracin sensitive
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Group A strep
Strep pyogenes |
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Gram -,cocci, maltose fermenter
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Neisseria meningitidis
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Gram -, cocci, maltose nonfermenter
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Neisseria gonorrhoeae
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Gram -, rod, lactose fermenter (fast)
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Klebsiella, E. coli, or Enterobacter
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Gram -, rod, lactose nonfermenter, oxidase -
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shigella, salmonella, proteus
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Gram -, rod, lactose nonfermenter, oxidase +
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pseudomonas
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What is conjugation
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direct cell to cell DNA transfer
chromosomal or plasmid |
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What is transduction?
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phage mediated cell to cell DNA transfer
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What is transformation?
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purified DNA taken up by a cell
prokaryotic or eukaryotic DNA |
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What are two obligate intracellular bugs?
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Rickettsia, chlamydia
can't make own ATP |
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This bacteria contains an IgA protease that allows it to infect mucus membranes.
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strep pneumoniae
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Lysogenic phage
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Botulinum toxin
cholera toxin diptheria toxin erythrogenic toxin of strep pyogenes |
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mechanism of C. tetani exotoxin
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blocks glycine release (inhibitory neurotransmitter)
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mechanism of C. botulinum heat labile toxin
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inhibits ACh relase
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mechanism of C. perfringens alpha toxin
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lecithinase that cuases myonecrosis, gas gangrene, hemolysis
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mechaisn of C. difficile exotoxin
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kills enterocytes causing pseudomembranous colitis
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mechanism of Corynebacterium diptheriae exotoxin
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AB toxin that causes ADP ribosylation of EF-2 inhibiting protein synthesis
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food poisoning in seafood
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Vibrio species
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food poisoning in reheated rice
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bacillus cereus
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food poisoning in meat, mayonnaise or custard
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S. aureus
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reheated meat dish not as quick acting
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C. perfringens
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