Micro 4-6 Word Scramble
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Question | Answer |
What genera belong to the micrococcaceae family | staphlococcus, micrococcus, & stomatococcus |
What biochemical test divide staphylococci into 2 groups | coagulase test |
Where are staphylococci normal flora found | skin & mucous membrane |
Characteristic gram stain & morph for staphlylococci | Gram positive cocci in grapelike clusters |
Media grow staphylococci | BAP, CHOC, CNA, PEA, MSA |
Is staphylococci aerobic or anaerobic | facultatively anaerobic |
How does staphylococci cause disease | Invasive or toxic infection |
What is principle of catalase testing | catalase (an enzyme) breaks down hydrogen peroxide into water (H2O) and oxygen (O2)w/bubbles formed by the released oxygen |
What test should be used to presumptively identify S. saprophyticus | novabiacin disk |
What type of hemolysis by staphylococci | Beta |
Describe the colony morphology of staphylococcus | circular, opaque, smooth, & a butyrous consistancy |
Describe the general characteristics of Streptococci | catalase-neg, gram pos cocci, chains |
What is GAS known as | Group A Streptococci -Streptococcus pyogenes |
What disease is caused by GAS | strep throat, scarlet fever, bacteriemia, skin infection, streptococcal toxic shock syndrome |
What are the four systems for naming streptococci | serogrouping, physiologic properties, hemolytic activity, & common names |
Colony morph and hemolysis for GAS | small colonies, translucent w/a large beta hemolytic zone |
T or F GAS are normal flora | False |
What is a Zone of Inhibition | a zone of no growth around antibiotic disk (susceptible) |
Colonial morph & hemolysis of GBS | Large colonies, flat, creamy w/a small zone of Beta hemolysis |
Hemolysis and colony morph of Streptococcus Pneumoniae | alpha hemolysis & produce either mucoid colonies or umbilicated colonies |
The two important human pathogens in Bacillus species | B. anthracis & B. cereus |
Anthrax is caused by | bacillus anthracis |
Colony morph and gram stain morph of bacillus species | Large, gram-pos, or gram variable rods (poss spores), beta hemolysis, motile, beaten egg whites. |
What organism been described as resembling chinese letters on gram stain | corynebacterium species |
What is the causative agent of diptheriae | C. diptheriae |
What culture media are used to grow corynebacterium | BAP, tellurite agar, loeffler medium, & PAI |
Colony morph and gram stain of listeria monocytogenes | small gram pos, grey colonies, non-spore forming rod but looks like coccobacillary or coccoid |
On gram stain, this organism is gram positive rods, with what appears as holes due to what | Bacillis and spores don't stain so they look like holes |
What test can be used to differentiate listeria from GBS | bile-esculin & catalase test |
What organism stains irregularly and appears as beading cocci | nocardia species |
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tigert74@embarqmail
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