question
Indication and reason for bacterial cultures
answer
Possible purulent fluid
Growing colonies of bacteria to identify the pathogen and to determine its sensitivity to various antibiotic agents.
Growing colonies of bacteria to identify the pathogen and to determine its sensitivity to various antibiotic agents.
question
Blood agar
answer
5% sheep blood
Most aerobic and facultative anaerobic organisms.
Most aerobic and facultative anaerobic organisms.
question
Chocolate agar
answer
Will grow some that don't grow well on blood agar
question
MacConkey agar
answer
Selective for enteric gram negative rods (E.coli)
question
Where do obligate anaerobes need to be cultured?
answer
Media specific for anaerobes
Brucella agar for example
Brucella agar for example
question
Disk diffusion susceptibility tests
answer
Ability of the isolated bacteria to grow
question
Antibiotic choice is based on:
answer
Susceptibility patters of isolated in the lab
Type of infection
Suspected source of the infection
Type of infection
Suspected source of the infection
question
What's the minimum inhibitory concentration (MIC)
answer
Ability to grow in broth culture with various dilution of antibiotics.
MIC is the lowest concentrations of drug in the broth that remains free from microbial growth.
MIC is the lowest concentrations of drug in the broth that remains free from microbial growth.
question
What does MIC give us an estimate of?
answer
Drug concentration
question
Test used with viral cultures?
answer
Naat
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