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Intermicro

QuestionAnswer
Gram-negative rods E. coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Enterobacter aerogenes
Gram-negative diplococci Neisseria gonorrhoeae, Neisseria meningitidis
Gram-positive cocci in clusters Staphylococcus aureus, Staphylococcus epidermidis,
Gram-positive cocci in chains and pairs Streptococcus pyogenes, Streptococcus pneumoniae, Enterococcus faecalis
Gram-positive rods Clostridium difficile, Bacillus anthracis
How is Staph and Strep differentiated Staph is catalase positive; Strep is catalase negative
How are Staph species differentiated Staph aureus is coagulase positive; Staph epi is coagulase negative
In a hospital setting what Staph species is particularly dangerous Staph aureus; MRSA-Methicillin Resistant Staph aureus
What is a selective agar for gram-positive bacteria PEA
What is a selective agar for gram-negative rods MAC
Name a beta-hemolytic group A Strep Gram-positive cocci in chains; Strep pyogenes
Name an alpha-hemolytic Strep Gram-positive cocci in chains; Strep pneumo
Name a gamma-hemolytic gram-positive bacteria Gram-positive cocci; Enterococcus faecalis
What is particularly dangerous about Enterococcus faecalis Gram-positive cocci; VRE-Vancomycin resistant Enterococcus
What media is used for N. gonorrhoeae and N. menigitidis Modified Thayer Martin or Martin Lewis
What is dangerous about N. meningitidis Gram- negative diplo; It is a biosafety level 2 organism
What are some diseases associated with Kleb. Pneumo Gram-negative rod; Fatal pneumonia in debilitated patients; UTI and pneumonia; Gram-negative rod
What are some diseases associated with Proteus mirabilis Gram-negative rod; Chronic UTI; Swarming colony growth
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
What is significant with Enterobacter arogenes Gram-negative rod; May cause UTI, especially after catheterization
What is an interesting feature of Strep pyogenes Gram-positive cocci in chains; One of the most aggressive pathogens encountered; Wounds, respiratory, urine
What are some diseases associated with Strep pneumo Gram-positive cocci in chains; Pneumonia, SBE, pneumococcal meningitis
What gram-positive rod is associated with antibiotic-associated diarrhea Gram-positive rod; Clostridium difficile
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
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
What biosafety level is Bacillus anthracis Gram-positive rod; Biosafety level 3
Created by: 1414395397