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More categorizations Flashcards

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Biology 101 flashcards
1
Q

what is an obligate aerobe

A

uses O2-dep system for ATP

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2
Q

examples of obligate aerobes (3)

A
  1. pseudomonas (GN bacillus)
  2. mycobacterium (acid-fast bacillus)
  3. nocardia (acid-fast branching)

“pseudomonas and acid-fast need to breathe”

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3
Q

what is an obligate anaerobe

A

susceptible to oxidative damage b/c they don’t have catalase and/or superoxide dismutase

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4
Q

which one smells? obligate anaerobes or aerobes? and why?

A

obligate anaerobes smell generally b/c they have short-chain FA’s

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5
Q

which one is difficult to culture?

A

obligate anaerobes

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6
Q

which one makes gas in tissue and which gases?

A

obligate anaerobes

CO2 and H2

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7
Q

examples of obligate anaerobes (3)

A
  1. clostridium (GP bacillus)
  2. bacteroides (GN bacillus)
  3. actinomyces (GP branching)
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8
Q

which abx are ineffective against obligate anaerobes?

why?

A

aminoglycosides

they need O2 to enter bacterial cell

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9
Q

what is an obligate intracellular organism?

A

ones that can’t make own ATP

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10
Q

examples of obligate intracellular organism (2)

A
  1. Rickettsiae
  2. Chlamydia

they like to stay inside b/c it’s Really Cold

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11
Q

examples of facultative intracellular organisms (8)

A
  1. salmonella (GN bacillus)
  2. neisseria (GN cocci)
  3. brucella (GN bacillus)
  4. mycobacterium (acid-fast bacillus)
  5. listeria (GP bacillus)
  6. francisella (GN bacillus)
  7. legionella (GN bacillus)
  8. yersinia pestis (GN bacillus)

“Some Nasty Bugs May Live For Long Years”

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12
Q

encapsulated organisms (7)

A

SHiNE SKiS

  1. Strep pneumo
  2. Haemophilus influenza B
  3. Neisseria
  4. E. Coli
  5. Salmonella
  6. Klebsiella pneumoniae
  7. Strep Group B (GBS)
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13
Q

what part of bacteria utilized for vaccinations

A

capsule

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14
Q

catalase + organisms (7)

A

cats go PLACESS

  1. pseudomonas
  2. listeria
  3. aspergillosis
  4. candida
  5. e. coli
  6. staph aureus
  7. serratia
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15
Q

Urease positive bugs (8)

A

Ur-Ace (urease) Can Hate Stupid PUNKS

  1. cryptococcus
  2. helicobacter pylori
  3. staph epidermidis
  4. proteus
  5. ureaplasma
  6. nocardia
  7. klebsiella
  8. staph saprophyticus
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16
Q

what organism has yellow sulfur pigment?

A

actinomyces israelli

17
Q

what organism has yellow pigment

A

staph aureus

18
Q

what has blue-green pigment?

A

pseumonas aeruginosa

aerugula is green

19
Q

what has red pigment

A

serratia marcescens

20
Q

four common virulence factors

A
  1. protein A
  2. IgA protease
  3. M protein
  4. capsule
21
Q

how does protein A help bacteria

A

Binds Fc of IgG to prevent opsonization and phagocytosis

22
Q

what organism has protein A

A

staph aureus

23
Q

how does IgA protease work?

A

cleaves IgA to allow respiratory colonization

24
Q

who has IgA protease (3)

A
  1. strep pneumo
  2. haemophilus flu B
  3. neisseria
25
Q

how does M protein work?

A

helps to prevent phagocytosis

26
Q

who has M protein?

A

GAS

Microbiology (11 decks)

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