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Infectious Disease > Gram Positive Bacteria > Flashcards

Gram Positive Bacteria Flashcards

1
Q

What are the three species of staphylococci that cause disease in humans?

A

S. aureus, S. epidermidis, and S. saprophyticus

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2
Q

Staphylococci are catalase (positive/negative)

A

positive

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3
Q

Which staphylococci species is coagulase positive?

A

S. aureus

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4
Q

What species is part of the normal flora of the nose and skin?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Staphylococcus aureus

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5
Q

What species contains many virulence factors such as: Protein A in cell wall, enterotoxin, and toxic shock syndrome toxin?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Staphylococcus aureus

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6
Q

Besides S. aureus, what other species is found on the normal flora of skin?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

staphylococci epidermidis

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7
Q

What causes UTI in sexually active women?

A

Staphylococci saprophyticus

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8
Q

Bacillus are (aerobic/anaerobic)

A

aerobic

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9
Q

Clostridium are (aerobic/anaerobic)

A

anaerobic

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10
Q

What is the only bacteria with capsule composed of protein to prevent phagocytosis?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Bacillus anthracis

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11
Q

What species has a toxin composed of 3 proteins which are non toxic alone, but together are lethal?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Bacillus anthracis

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12
Q

What are the proteins involved in Bacillus anthracis?

A
  1. Edema factor
  2. Protective antigen
  3. Lethal factor
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13
Q

When taking broad spectrum antibiotics and diarrhea is followed by it, what species causes that?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium difficile

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14
Q

What are the toxins involved in Clostridium difficile?

A

Toxin A + B (B is more cytotoxic)

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15
Q

How could you treat Clostridium difficile?

A
  1. Mild = Flagyl
  2. Severe = Vanco
  3. Recurrence = Fidazomicin
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16
Q

What species causes rapid fatal food poisoning?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium botulinum

17
Q

What species can be found in smoked fish or home-canned vegetables?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium botulinum

18
Q

How does the toxin from botulism work?

A

Exotoxin blocks release of ACh in nerve terminals, causing flaccid muscle paralysis

19
Q

What species causes “Lockjaw”?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium tetani

20
Q

How does the spore from Clostridium tetani enter the body?

A

Through trauma

21
Q

What species contaminates wounds in anaerobic environment?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium perfringens

22
Q

What species causes gaseous gangrene?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Clostridium perfringens

23
Q

What species causes speticemia in pregnant women?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Listeria monocytogenes

24
Q

What species causes neonatal meningitis and meningitis in immunosuppressed pts?

A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Bacillus anthracis
E. Clostridium difficile
F. Clostridium botulinum
G. Clostridium tetani
H. Clostridium perfringens
I. Corynebacterium diphtheriae
J. Listeria monocytogenes
A

Listeria monocytogenes

Infectious Disease (32 decks)

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