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Microbiology Lab Practicum 1 > Chemical Control > Flashcards

Chemical Control Flashcards

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1
Q

What are the uses of disinfectants?

A

inanimate objects/ surfaces, not on skin

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2
Q

What are examples of disinfectants?

A

control III, lysol, bleach

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3
Q

What are the uses of antiseptics?

A

living tissue is OK, no ingestion

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4
Q

What are examples of antiseptics?

A

iodine, mouth wash, H2O2, alcohol

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5
Q

What are the uses of preservatives?

A

ingestible

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6
Q

What are examples of preservatives?

A

organic acids (sorbic and propionic)

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7
Q

What are the uses of antimicrobial chemotherapeutic agents?

A

ingestible made to resolve infections in humans

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8
Q

What are antibiotics?

A

produced by other life forms (bacteria, fungi)

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9
Q

What is an example of antibiotics?

A

penicillin G

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10
Q

What are semi-synthetics?

A

modified antibiotics

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11
Q

What is an example of a semi-synthetic?

A

ampicillin

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12
Q

What are synthetics?

A

completely synthesized in a lab

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13
Q

What is an example of a synthetic?

A

sulfa drugs

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14
Q

What does bacteriocidal mean?

A

result in death

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15
Q

What does bacteriostatic mean?

A

temporarily inhibits growth

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16
Q

What media is used in the Kirby-Bauer test?

A

mueller hinton agar

17
Q

What does Mueller-Hinton Agar have?

A

a standard thickness, pH, and chemical composition

18
Q

What is the procedure of the Kirby-Bauer test?

A

disk diffusion method

  1. culture is inoculated uniformly over entire plate
  2. disk with various agents placed on the surface
  3. incubated for 48 hours at 37C
19
Q

What is the theory of the Kirby-Bauer test?

A

During incubation the agent diffuses from the disc and if the agent inhibits growth it causes a zone of inhibition

20
Q

What is the minimum inhibitory concentration?

A

concentration at the edge of the zone of inhibition

21
Q

What is the use of the Kirby-Bauer test?

A

determine if bacteria is susceptible or resistant to a drug

Microbiology Lab Practicum 1 (15 decks)

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