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Microbiology > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

Microbiome

A

Microbes that are found in a given habitat and the environment they inhabit

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2
Q

Typical sites of normal bacteria

A

Skin
Respiratory tract
Digestive tract
Genitourinary system

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3
Q

Where is there no normal bacteria?

A

Blood
CSF
Synovial fluid
Deep tissues

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4
Q

Colonization resistance

A

host and bacteria cooperate to protect against invaders

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5
Q

Tissue tropism

A

preference of bacteria to one site of the body

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6
Q

5 roles of normal microbiota

A

Immune stimulation
Keeping out invaders
Nutrition and metabolism
Conversion of ingested compounds
Common sources of infection

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7
Q

Bacteriocins

A

lethal proteins

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8
Q

Butyrate

A

Short chain fatty acid
Produced by anerobic microbial metabolism

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9
Q

4 normal bacteria in skin

A

Staph
Corynebacterium
Propionibacterium acnes
Enteric bacilli

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10
Q

6 normal bacteria in oropharynx

A

alpha hemolytic strep
Micrococcus
Corynebacterium
Neisseria
Haemophilus
Spirochetes

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11
Q

5 normal bacteria in the large intestine

A

Strep
Lactobacillus
Clostridium
Bacteroides
Enteric Bacilli

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12
Q

4 normal bacteria in the vagina

A

Strep
Lactobacillus
Bacteroides
Mycoplasma

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Microbiology (5 decks)

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