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I&D Quiz 1 > 3.1 (Quiz 1) > Flashcards

3.1 (Quiz 1) Flashcards

1
Q

Peptidoglycan cell wall material

A

Gram (+) and (-)

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2
Q

Thicker peptidoglycan cell wall (smooth)

A

Gram (+)

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3
Q

No outer membrane

A

Gram (+)

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4
Q

Stain: purple

A

Gram (+)

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5
Q

No LPS present

A

Gram (+)

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6
Q

Thinner peptidoglycan cell wall (gagged)

A

Gram (-)

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7
Q

Cell wall “sandwiched” between cytoplasmic and outer membrane

A

Gram (-)

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8
Q

Stain: red/pink

A

Gram (-)

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9
Q

LPS found in outer leaflet of outer membrane

A

Gram (-)

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10
Q

lipid A portion is highly toxic; variable distal region of exposed carbohydrate is O-antigen and used for serotyping (endotoxin, pyrogen)

A

LPS

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11
Q

Gram (+) spherical/ovoid cocci, arranged in chains or pairs

A

Streptococci

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12
Q

Form significant portion of normal microbiota

A

Streptococci

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13
Q

Most species rarely cause disease

A

Streptococci

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14
Q

Biochemical properties of Streptococci:

A

catalase negative

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15
Q

GAS Pathogenesis, major virulence factor

A

M protein

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16
Q

contagious bacterial skin infection forming pustules and yellow crusty sores

A

Impetigo (GAS Pathogenesis)

17
Q

skin infection with formation of pus

A

Pyoderma (GAS Pathogenesis)

18
Q

acute infection of skin, involves dermis and lymphatics

A

Erysipelas (GAS Pathogenesis)

19
Q

Neonatal infections, capsular polysaccharide

A

GBS Pathogenesis

20
Q

Streptococcus pneumoniae principle toxin:

A

pneumolysin

21
Q

Cytotoxic to epithelial cells, phagocytic cells:

A

pneumolysin

22
Q

In conjunction with H2O2 induces apoptosis during meningitis:

A

pneumolysin

23
Q

Largely result of inflammation severity directly proportional to intensity of inflammation:

A

pneumococcal disease

24
Q

Pneumococcal disease risk factor:

A

defective antibody formation

25
Q

Streptococcal diseases (Group C and G):

A

skin and throat infections, endocarditis, bone/joint infections

I&D Quiz 1 (8 decks)

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