Questions about "Antimicrobial Susceptibility Testing"
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| True or false: A single antibiotic is usually toxic to both prokaryotes and eukaryotes. | False.
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| An antibiotic is usually effective in ________ doses. | small
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| Standard strains of bacteria are used as ________ in the Kirby-Bauer method. | controls
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| If the zone size with the standard strain varies, it often means the test was performed ________ than it should have been. | differently
or
with less caution
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| Antiseptics and antibiotics are | different
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| The name of the standardized test for antibiotic sensitivity is the ________ disk test. | Kirby-Bauer
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| Name four factors that may affect the diameter of the inhibitory zone in any particular test: | Amount of inoculate,
Composition of medium,
Solubility of test agent,
Volume of medium
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| The name of the medium used in this test is ________ ________ agar. | Mueller Hinton
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| Name the three microbial genera responsible for producing most antibiotics: | Penicillium,
Streptomycin,
Bacillus
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| Explain why Sacharomyces cerevisiae was not affected by the antibiotics. | Sacharomyces cerevisiae is a type of baker's yeast; a eukariotic organism. Antibiotics target prokaryotes.
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