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12 Cards in this Set
- Front
- Back
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How do you determine whether an antimicrobial compound is effective?
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examine the zone of inhibition
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What type of medium is typically used in antimicrobic sensitivity testing?
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Mueller Hinton II agar
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Describe the features of antibiotics. 4
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chemotherapeutic agents
low molecular weight produced by microorganisms inhibit or kill microorganisms |
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What is the difference between an antibiotic and a drug?
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Antibiotics are made by microorganisms
drugs are man-made or synthetic |
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What is the name of the standard method used for antimicrobic sensitivity testing?
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Kirby-Bauer (Method)
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Describe the variables which could affect the results of an antimicrobic test. 3
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diffusibility of the agent
size of inoculum type of medium |
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What “tool” is used to inoculate a plate used for antimicrobic sensitivity testing?
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cotton swab
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How must you inoculate the surface of the plate used for antimicrobic sensitivity testing?
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Swab over the entire surface of the plate.
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When forceps are used to secure a disc, what must you do before touching the disc with the forceps?
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flame the forceps
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What discs were used in this experiment? 4
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erythromycin
streptomycin tetracycline vanomycin |
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Semi synthetics?
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chemically altered antibiotics to make them more effective in their mode of action
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Nosocomial?
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hospital acquired infections
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