Question | Answer |
Beta hemolysis is | a large area of hemolysis around a bacterial colony |
Alpha hemolysis is | a small area of hemolysis around a bacterial colony, usually green in color |
Gamma hemolysis is | an absence of hemolysis around a bacterial colony |
A dark pink colony on a MacConkey plate is a | lactose fermenter |
Staphylococcus aureus is coagulase... | positive |
Staph epidermisis, Staph saprophyticus, Staph lugdenensis are coagulase... | negative |
Staphylococcus is Gram ________ _________ | positive cocci |
Micrococcus is Gram ________ _______ | Positive cocci |
S.aureus an cause what kind of minor infections | localized skin infections |
S.aureus is catalase _____ and coagulase____ | positive, positive |
catalase test reagent | 3% hydrogen peroxide |
coagulase test reagent | rabbit plasma |
normal flora on the skin us coagulase | negative |
coagulase negative staphylococcus is ________ hemolytic | gamma (not) |
S.sparophyticus is resistant to what antibiotic | novobiocin |
Micrococcus is catalase _______ and coagulase______ | positive, negative |
common species of micrococcus are | M. luteus, and M.roseus |
micrococcus colonies are typically what color | yellow |
micrococcus are oxidase | positive |
micrococcus is bacitracin | susseptible |
Streptococcaceae is Gram __________ ________ | positive cocci |
Stretococcaceae is catalase | negative |
S.pyogenes has ____ hemolysis, it is enhanced by ____ conditions | beta, anaerobic |
S.pyogenes colony appearance on 5% SBA is | small, gray-white |
S.pyogenes is PYR | positive |
S.pyogenes is in Lancefield group | Lancefield group A |
S. agalactiae is in Lancefield group | Lancefield group B |
S.agalactiae can cause infections in | fetuses and infants |
In adults S.agalactiae can cause infections | in post partum women |
S.agalactiae needs to grow in what kind of air | 5% Co2 or ambient air |
S.agalactiae is catalase | negative |
S.agalactiae is PYR | negative |
S,agalactiae is CAMP | positive |
S,agalactiae hydrolyzes | hippurate |
S.pneumoniae grows in what kind of air | 5-10% CO2 |
S.pneumoniae is catalase | negative |
S.pneumoniae is optochin | susceptible |
S.pneumoniae is bile | soluble |
S,pneumoniae is resistant to | penicillin and cephalosporins |
Viridans streptococci is ________ hemolytic | alpha |
V.streptococci will grow in what conditions? | 5% CO2 or ambient air |
V.streptococci is catalase | negative |
V.streptococci is optochin | resistant |
V.streptococci is bile | insoluble |
V.streptococci is bile esculine | negative |
Enterococcus is ______ hemolytic | alpha or gamma |
Enterococcus is catalse | negative |
enterococcus is optochin | resistant |
enterococcus bile | insoluble |
enterocuccus is bile esculin | positive |
enterococci are PYR | positive |
E.faecium can be resistant to | Vancomycin (VRE) |
Group D strepococci includes | S.bovis |
group D streptococci is susceptible to | penicillin |
The O antigen on enterobacteriaceae is | in the cell wall, and is heat stable |
the H antigen in enterobacteriaceae is | in the flagella, and is heat labile |
the K antigen in enterobacteriaceae is | in the polysaccharide capsule, and is heat libile |
E. coli is usualy _______ hemolytic | beta |
E.coli on MacConkey is | a lactose fermenter and is dry |
E.coli is indole | positive |
E.coli is H2S | negative |
E.coli is citrate | negative |
e.coli is susceptible to | most antibiotics |
Shigella is not a part of | normal flora |
Shigella is H2S | negative |
Shigella is able, or unable to move? | non motile |
shigella is urea | negative |
shegella on MacConkey | is a non lactose fermenter, but will grow |
shigella on HE | is a green colony |
shigela on XLD | is a red colony |
citrobacter is a part of | normal intestinal flora |
citrobacter on MacConkey | often a lactose fermenter |
citrobacter on XLD and HE | forms yellow colonies |
citrobacter is H2S | variable |
citrobacter is citrate | positive |
citrobacter is indole | variable |
citrobacter is ampicillin | resistant |
citrobacter is resistant to what kinds of cephalosporins | 1st generation |
klebsiella/enterobacter group all have what kind of capsules | lare mucoid |
klebsiella/enterobacter on MacConkey | light pink |
klebsiella/enterobacter is VP | positive |
klebsiella/enterobacter is citrate | positive |
klebsiella/enterobacter is H2S | negative |
klebsiella/enterobacter is indole | variable |
klebsiella/enterobacter is urea | variable |
klebsiella/enterobacter is resistant to | ampicillin |
klebsiella/enterobacter is resistant to what kinds of cephalosporins except pantoea | 1st generation |
klebsiella/enterobacter is most susceptible to | trimethoprim/sulfa |
proteus/providencia on MacConkey | non-lactose fermenter |
proteus/providencia is PAD | positive |
proteus/providencia is VP | negative |
proteus/providencia is H2S and indole | variable |
proteus/providencia is always resistant to | nitrofuantoin and tetracycline |
proteus/providencia is or is not motile | very motile |
Edwardsiella tarda on MacConkey | non lactose fermenter |
Edwardsiella tarda urea and citrate | negative |
Edwardsiella tarda H2S and indole | positive |
Edwardsiella tarda probable cause of | diarrhea |
Ewingella americana on MacConkey | lactose fermenter |
Ewingella americana is typically what kind of pathogen | plant |
Hafnia alvei on MacConkey | non-lactose fermenter |
Hafnia alvei is VP and citrate | positive |
salmonella on MacConkey, HE, and XLD | nonfermenter |
salmonella is indole, VP, and urea | negative |
salmonella is H2S | positive |
Plesiomonas is a member of | enterobacteriacae |
Plesiomonas is oxidase | positive |
Plesiomonas is a glucose and lactose | fermenter |