Lab 25 Flashcards
infecting an animal with pseudomonas aeruginosa protects them against what?
bacillus anthracis
(against life), inhibition of a microbes
antibiosis
a substance produced by a microorganism that inhibits other microorganisms
antibiotic
produce nearly 70% of all antibiotis
streptomyces
antimicrobial chemicals used internally, whether natural or synthetic
antimicrobial drugs
disease-causing organism
pathogen
petri plate with agar growth medium is inoculated uniformly. paper disks with various antimicrobial agents are placed on the surface of the agar. the agent diffuses from the paper disk, from an area of high concentration to lower. measured by zones of inhibition
disk-diffusion method
standardized method for agar diffusion methods
Kirby-Bauer test
agar used in Kirby-Bauer test that allows the antimicrobial agent to diffuse freely
Mueller-Hinton agar
The ______ of an antibiotic is determined by testing for bacterial growth in dilutions of the antibiotic in nutrient broth.
minimum inhibitory concentration (MIC)