Lab 25 Flashcards

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1
Q

infecting an animal with pseudomonas aeruginosa protects them against what?

A

bacillus anthracis

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2
Q

(against life), inhibition of a microbes

A

antibiosis

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3
Q

a substance produced by a microorganism that inhibits other microorganisms

A

antibiotic

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4
Q

produce nearly 70% of all antibiotis

A

streptomyces

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5
Q

antimicrobial chemicals used internally, whether natural or synthetic

A

antimicrobial drugs

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6
Q

disease-causing organism

A

pathogen

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7
Q

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

A

disk-diffusion method

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8
Q

standardized method for agar diffusion methods

A

Kirby-Bauer test

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9
Q

agar used in Kirby-Bauer test that allows the antimicrobial agent to diffuse freely

A

Mueller-Hinton agar

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10
Q

The ______ of an antibiotic is determined by testing for bacterial growth in dilutions of the antibiotic in nutrient broth.

A

minimum inhibitory concentration (MIC)

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