question
halophilic organism
answer
extremophile that thrive in environments with very high concentrations of salt
question
Sheep blood agar
answer
not a selective medium
question
MacConkey agar (MAC)
answer
promote the growth of gram-negative organisms while inhibiting the growth of gram-positive organisms
question
pressure, temperature, and time for autoclaving media
answer
15 lb above atmospheric pressure (psi), 121°C, 15 minutes
question
Thayer-Martin agar
answer
promote the growth of Neisseria gonorrhoeae and Neisseria meningitidis
question
three bacterial morphologies
answer
cocci, bacilli, spirilla
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cocci
answer
spherical or round
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bacilli
answer
straight and rod-shaped
question
spirilla
answer
spiral-rod shaped
question
Minimum inhibitory concentration (MIC)
answer
lowest concentration of antimicrobial agent that will visibly inhibit the growth of the organism being tested
question
antiseptic
answer
chemical used to control the growth of microorganisms on living tissues
question
disinfectant
answer
chemical used to kill or control the growth of microorganisms
question
sterilization
answer
100% killing of microbes in or on a surface
question
bactericide
answer
100% killing of microbes
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bacteriostasis
answer
reduces growth
question
SIMs tests
answer
motility, H2S, and indole production
question
camp test
answer
biochemical test used to differentiate Staphylococci from Streptococci
question
biochemical test for oxidase production
answer
biochemical test used to differentiate Pseudomonas from Enterobacteriaceae
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coagulase test
answer
when rabbit plasma forms a fibrin clot, which is visible to the naked eye, when in the presence of the enzyme coagulase / Staphylococcus aureus will be positive
question
Proteus spp.
answer
recognized by its spreading growth appearance on sheep blood agar
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