TBL 11. Flashcards

1
Q

catalase

A
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2
Q

coaguolase: Staphylococcus aureus

A
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3
Q

staphylokinase:

A
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4
Q

Staphylococcus aureus: capsule (not always)

A
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5
Q

protein A: Staphylococcus aureus

A
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6
Q

hemolysins:

A
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7
Q

panton-valentine leucocidin: Staphylococcus aureus

A

TOXIN

LEADS TO LEUKOPENIA

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8
Q

enterotoxins A-E:

A
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9
Q

toxic shock synderome toxin ( TSST-1) : Staphylococcus aureus

A
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10
Q

what type of infections are caused by Staphylococcus aureus?

hair follicle infections?

A
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11
Q

describe the Pyogenic infection of Staphylococcus aureus with virulence factor coagulase.

A

CRITICAL IN ABSCESS FORMATION

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12
Q

describe the Pyogenic infection of Staphylococcus aureus with virulence factor TSST-1.

A
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12
Q

describe the Pyogenic infection of Staphylococcus aureus with virulence factor protein A.

A
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13
Q

characteristics of describe Staphylococcus aureus

A
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14
Q

what are the Staphylococcus aureus
Host Immune Elements?

A
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15
Q

Neisseria species characterics

transmission

what are the pathogenic species we care about ?

A

N. meningitidis causes meningococcemia and meningitis.
N. gonorrhoeae transmits sexually, infects urethra in men and the cervix in women,

16
Q

Neisseria species
Host Immune Functions

A
17
Q

what receptors do neutrophils use against Neisseria species?

A

CD14, TLR2, TLR4, FcR, CRs.

18
Q

what are the virulance factors of Neisseria species?

A
19
Q

Ig A protease

A
20
Q

capsule (different form other type)

what is effective against their capsule?

A
21
Q

pili: Neisseria species

How does it avoid the immune system?

A
22
Q

Neisseria species : cell wall lipooligosaccharide

can cause_____

A
23
Q

porin A, Porin B, Opa, Opc: Neisseria species

A
24
Q

iron sequestration: Neisseria species

A
25
Q

describe meningococcal meningitis vs. meningococcemia (what factor leads to this)

what causes it?

A

meningococcemia, usually in immuno deficient.

waterhouse-frederinchsen syndrome: damage to adrenal gland blood vessels

26
Q

describe how virulence factors, Ig A protease, capsule, porin A, porin B, opa, Opc, pili, iron sequestration, LOS are able to evade the immune system? in Neisseria species

what leads to purpura and petechae?

A
27
Q

Mycobacterium tuberculosis characteristics

they have ______ and _______like (neisseria species)

what are the common strains in the USA

transmission

risk factors

A

M.leprae
Kansasii
avium

28
Q

how does immune system defend itself against Mycobacterium tuberculosis ? who is more at risk for this infection?

A
29
Q

virulance factors of Mycobacterium tuberculosis ?

A
30
Q

mycolic acid: Mycobacterium tuberculosis

A
31
Q

cord factor: Mycobacterium tuberculosis

A
32
Q

Mycobacterium tuberculosis: sulfatides

A

block phagolosome formation

33
Q

Mycobacterium tuberculosis: ESX 1 secretion
system

A

survive in phagosome

34
Q

superoxide dismutase: Mycobacterium tuberculosis:

A

protect from oxidative killing

35
Q

Mycobacterium tuberculosis: catalase

what other bacteria has catalase?

A

protect from oxidative killing

s. aureus

36
Q

Mycobacterium tuberculosis: infections

symptoms of TB

M.leprae causes: _____

reactivation of Mycobacterium tuberculosis: is called _______

A
37
Q

describe the pathogenesis of Mycobacterium tuberculosis.

A