QUIZ 10 Flashcards
E. coli in Phenol red broth is yellow (acid+) with bubbles (gas +) in
glucose and lactose
P. mirabilis is yellow (acid+) with no bubbles (gas -) in
Glucose
P. mirabilis is pink=fermentation (-) in
lactose
Ps. aeruginosa is pink=fermentation (-) in
lactose and glucose
S. aureus is ___ for catalase production and E. faecalis is _____. (bubbles=positive)
positive, negative
Ps. aeruginosa is ____ for oxidase production and E. coli is ______ (purple/dark blue=positive)
positive, negative
E. aerogenes is blue (_____) for citrate utilization and E. coli is green (____)
positive, negative
After adding ferric chloride to Phenylalanine Deaminase test P. Mirabilis is green (_____) and E. Coli is ______, (____)
positive, no change (negative)
After adding Iodine to the starch hydrolysis test _____ had a light color with a zone around it indicating it was positive, and E. Coli was negative.
B. cereus
The urease test revealed____ to be negative (yellow) and _____ to be positive (pink)
E. coli, P. mirabilis
After adding Kovacs reagent to the SIM test _____ was negative for all three (H2S, Indole,Motility) while E. coli was positive for Indole (pink) and motility and P. Mirablis was positive for ___ and ____
K. pneumoniae, H2S (black) and motility
Gram +, facultative anaerobes, normal flora on skin, mucous membranes, and throats
Staphylococci
Majority of all Staph. are caused by S. aureus, epidermidis, and _____
saprophyticus
S. epidermidis is usually not pathogenic?
true
Staph. ____ can cause UTI’s in females
saprophyticus
