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

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?

19
Q

Ig A protease

20
Q

capsule (different form other type)

what is effective against their capsule?

21
Q

pili: Neisseria species

How does it avoid the immune system?

22
Q

Neisseria species : cell wall lipooligosaccharide

can cause_____

23
Q

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

24
iron sequestration: Neisseria species
25
describe meningococcal meningitis vs. meningococcemia (what factor leads to this) what causes it?
meningococcemia, usually in immuno deficient. waterhouse-frederinchsen syndrome: damage to adrenal gland blood vessels
26
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?
27
Mycobacterium tuberculosis characteristics they have ______ and _______like (neisseria species) what are the common strains in the USA transmission risk factors
M.leprae Kansasii avium
28
how does immune system defend itself against Mycobacterium tuberculosis ? who is more at risk for this infection?
29
virulance factors of Mycobacterium tuberculosis ?
30
mycolic acid: Mycobacterium tuberculosis
31
cord factor: Mycobacterium tuberculosis
32
Mycobacterium tuberculosis: sulfatides
block phagolosome formation
33
Mycobacterium tuberculosis: ESX 1 secretion system
survive in phagosome
34
superoxide dismutase: Mycobacterium tuberculosis:
protect from oxidative killing
35
Mycobacterium tuberculosis: catalase what other bacteria has catalase?
protect from oxidative killing s. aureus
36
Mycobacterium tuberculosis: infections symptoms of TB M.leprae causes: _____ reactivation of Mycobacterium tuberculosis: is called _______
37
describe the pathogenesis of Mycobacterium tuberculosis.