FA Basic Bacteriology II Flashcards

1
Q

For vaccines containing polysaccharide capsule antigens, a protein is conjugated to the polysaccharide antigen to …

A

promote T cell activation and subsequent class switching.

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2
Q

Because a polysaccharide antigen alone cannot be presented to T cells, a vaccine without the addition of a conjugated protein would only produce what kind of antibodies?

A

IgM

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3
Q

What type of vaccine is Pneumovax?

A

Polysaccharide vaccine with no conjugated protein

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4
Q

What type of vaccine is Prevnar?

A

Conjugated vaccine

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5
Q

What type of vaccine is H influenzae type B?

A

Conjugated vaccine

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6
Q

What type of vaccine are the meningococcal vaccines?

A

Conjugated vaccine

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7
Q

What are the urease positive bugs?

CHuck Norris hates PUNKSS

A
Cryptococcus
H pylori
Proteus
Ureaplasma
Nocardia
Klebsiella
S epidermidis
S saprophyticus
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8
Q

What are the four pigment producing bacteria?

A

Actinomyces osrae;oo
Staph aureus
Pseudomonas aeruginoma
Serratia marcescens

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9
Q

This bug produces yellow “sulfur” granules, which are composed of filaments of bacteria.

A

Actinomyces israelii (isreal has yellow sand)

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10
Q

This bug produces a yellow pigment

A

Staph aureus (aureus means gold)

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11
Q

This bug produces a blue-green pigment

A

Pseudomonas aeruginosa (Aerugula is green! haha)

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12
Q

This bug produces a red pigment

A

Serratia marcescens (red maraschino cherries!)1

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13
Q

This virulence factor binds the Fc region of Ig, thus preventing opsonization and phagocytosis

A

Protein A

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14
Q

What bug expresses protein A?

A

Staph auerus

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15
Q

This virulence factor is an enzyme that cleaves IgA and allows bugs to colonize the respiratory mucosa

A

IgA protease

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16
Q

What bugs carry IgA protease?

A

S pneumo, HiB, Neisseria

17
Q

This virulence factor helps prevent phagocytosis.

A

M protein

18
Q

What bug expresses M protein?

A

group A strep