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Bacteriology/Mycology > Biosecurity > Flashcards

Biosecurity Flashcards

1
Q

Used when agents are exotic and pose serious and/or fatal risk to humans and environment

A
  • BSL 3

- > class II or III BSC

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2
Q

Are detergents sporicidal?

A
  • no
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3
Q

Used when agents are not known to cause disease in healthy humans

A
  • BSL 1

- > can work outside laminar hood

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4
Q

Specially designed facility and all personnel trained with restricted lab access

A
  • BSL 3
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5
Q

Last line of defense against pathogen exposure and spread

A
  • Personal Protective Equipment (gloves, lab coat)
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6
Q

Methods utilized to protect animals and humans from pathogens and other biohazardous agents

A
  • Biosecurity
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7
Q

Survival of pathogenic bacteria in favorable environment (shortest and longest)

A
  1. Mycoplasma - 3 days

2. Bacillus anthracis - over 50 years in soil

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8
Q

Does alcohol and phenolics kill spores?

A
  • No, ethyl alcohol, chlorhexidine, hydrogen peroxide, and Virkon all do not kill spores
  • > kills bacteria, virus and fungi
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9
Q

Used when agents are a moderate risk for healthy humans and environment

A
  • BSL 2

- > class II biosafety cabinet (BSC)

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10
Q

A chemical agent for disinfection of living tissue

A
  • antiseptic
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11
Q

Kills mycobacterium

A
  • isopropanol
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12
Q

Prevents or stops microbial growth

A
  • bacteriostatic
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13
Q

A microorganism, virus, toxin, or other biological component that could adversely affect human or animal health

A
  • Biohazard
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14
Q

Killing of pathogens on inanimate objects, physical or chemical

A
  • disinfection
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15
Q

Used when agents are dangerous, exotic and frequently fatal to humans and have no treatment or vaccine

A
  • BSL 4

- > Class III BSC, double-door autoclave

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16
Q

Complete destruction of ALL microbes

A
  • sterilization
17
Q

Kills microbes

A
  • bacteriocidal
18
Q

Restricted access to lab and autoclave present

A
  • BSL 2
19
Q

Prevent contamination of person or object by microbes

A
  • aseptic (asepsis)
20
Q

Specially designed, isolated and sealed facility and highly trained personnel with positive-pressure suits

A
  • BSL 4
21
Q

Used primarily to judge potential risks of biohazardous agents to humans (and environment)

A
  • Biosafety levels
22
Q

Is formaldehyde sporicidal?

A
  • yes
23
Q

70-75% in water is best and is absolute less effective

A
  • ethanol

Bacteriology/Mycology (10 decks)

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