Intermicro
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| Gram-negative rods | E. coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Enterobacter aerogenes
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| Gram-negative diplococci | Neisseria gonorrhoeae, Neisseria meningitidis
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| Gram-positive cocci in clusters | Staphylococcus aureus, Staphylococcus epidermidis,
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| Gram-positive cocci in chains and pairs | Streptococcus pyogenes, Streptococcus pneumoniae, Enterococcus faecalis
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| Gram-positive rods | Clostridium difficile, Bacillus anthracis
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| How is Staph and Strep differentiated | Staph is catalase positive; Strep is catalase negative
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| How are Staph species differentiated | Staph aureus is coagulase positive; Staph epi is coagulase negative
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| In a hospital setting what Staph species is particularly dangerous | Staph aureus; MRSA-Methicillin Resistant Staph aureus
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| What is a selective agar for gram-positive bacteria | PEA
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| What is a selective agar for gram-negative rods | MAC
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| Name a beta-hemolytic group A Strep | Gram-positive cocci in chains; Strep pyogenes
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| Name an alpha-hemolytic Strep | Gram-positive cocci in chains; Strep pneumo
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| Name a gamma-hemolytic gram-positive bacteria | Gram-positive cocci; Enterococcus faecalis
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| What is particularly dangerous about Enterococcus faecalis | Gram-positive cocci; VRE-Vancomycin resistant Enterococcus
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| What media is used for N. gonorrhoeae and N. menigitidis | Modified Thayer Martin or Martin Lewis
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| What is dangerous about N. meningitidis | Gram- negative diplo; It is a biosafety level 2 organism
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| What are some diseases associated with Kleb. Pneumo | Gram-negative rod; Fatal pneumonia in debilitated patients; UTI and pneumonia; Gram-negative rod
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| What are some diseases associated with Proteus mirabilis | Gram-negative rod; Chronic UTI; Swarming colony growth
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| What are some notable features of Pseudomonas aeruginosa | Gran-negative rod; Grape-like odor; Most commonly encountered G- species other than Enterobacteriaceae; Causes opportunistic infections, community or hospital acquired
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| What is significant with Enterobacter arogenes | Gram-negative rod; May cause UTI, especially after catheterization
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| What is an interesting feature of Strep pyogenes | Gram-positive cocci in chains; One of the most aggressive pathogens encountered; Wounds, respiratory, urine
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| What are some diseases associated with Strep pneumo | Gram-positive cocci in chains; Pneumonia, SBE, pneumococcal meningitis
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| What gram-positive rod is associated with antibiotic-associated diarrhea | Gram-positive rod; Clostridium difficile
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| Why is C. diff danerous in the hospital setting | Gram-positive rod; Antimicrobial agents (ie: clidamycin) upsets normal flora of intestines and C. diff takes over
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| What gram-positive rod could be a dangerous bioterorist agent | Bacillus anthracis; large boxy gram-postive spore-forming rod; forms large, non-hemolytic medusa-head colonies on BAP
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| What biosafety level is Bacillus anthracis | Gram-positive rod; Biosafety level 3
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