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MicrobiologyLab45
Questions about "Antimicrobial Susceptibility Testing"
| Question | Answer |
|---|---|
| True or false: A single antibiotic is usually toxic to both prokaryotes and eukaryotes. | False. |
| An antibiotic is usually effective in ________ doses. | small |
| Standard strains of bacteria are used as ________ in the Kirby-Bauer method. | controls |
| 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 |
| Antiseptics and antibiotics are | different |
| The name of the standardized test for antibiotic sensitivity is the ________ disk test. | Kirby-Bauer |
| 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 |
| The name of the medium used in this test is ________ ________ agar. | Mueller Hinton |
| Name the three microbial genera responsible for producing most antibiotics: | Penicillium, Streptomycin, Bacillus |
| 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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NeuroHeart
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