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Questions about "Antimicrobial Susceptibility Testing"

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.
Created by: NeuroHeart