Deebs Micro Week 1 Flashcards

1
Q

dextran production

A

strep viridans-for glycocalyx formation

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2
Q

SdrG

A

staph epidermidis

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3
Q

T4SS

A

Rickettsia rickettsia-attaches to host cell and tricks host cell into engulfing it-because it is an obligate intracellular parasite

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4
Q

CAR

A

coxsackie-adenovirus receptor

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5
Q

FimA and GspB

A

Surface adhesion proteins for strep viridans

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6
Q

Which organisms have capsules?

A

strep pneumo
strep pyogenes
neisseria meningitidis
staph aureus

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7
Q

Which organisms do biofilm formation?

A

enterococcus species
staph aureus
staph epidermidis

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8
Q

OmpA and OmpB

A

Rickettsia Rickettsia for adherence

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9
Q

FnbpA

A

Staph aureus: Fibronectin bindin proteins

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10
Q

Coagulase

A

Staph aureus

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11
Q

Which bugs are beta hemolytic?

A

staph aureus and strep pyogenes

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12
Q

which one is alpha hemolytic?

A

Strep viridans

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13
Q

How is echovirus transmitted?

A

Fecal to oral

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14
Q

M protein

A

virulence factor of strep pyogenes-prevents phagocytosis-antibodies are then made against it and they cross react with meromysin of the heart

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15
Q

Streptokinase

A

Strep pyogenes: cleaves plasminogen to plasmin, dissolves clots!

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16
Q

Streptolysin S and O

A

WBC and RBC lysis via pore formation

17
Q

Causes of pericarditis

A

Coxsacie A, B, and echovirus

18
Q

Causes of myocarditis

A

Coxsackie B and adenovirus

19
Q

what is common in summer months?

A

pericarditis (echovirus)

20
Q

Tx for RMSF?

A

Doxy

21
Q

Characteristics of Coxsackie A & B?

A
Virus
\+ssRNA (group IV)
nonsegmented
icosahedral nucleocapsid
nonenveloped
Picornaviridae
enterovirus
22
Q

2 major duke criteria

A

evidence of endocardial involvement

2 + blood cultures

23
Q

triad for RMSF?

A

fever
rash
headache

24
Q

most common cause of acute endocarditis?

A

staph aureus

25
Q

MSCRAMMs

A

Staph and strep adhesion proteins for colony formation