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Gram Positive Cocci Flashcards

0
Q

Staphylococci are facultatively anaerobic except this

A

S.saccharolyticus

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1
Q

They are catalase producing bacteria and facultatively anaerobic

A

Staphylococci

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2
Q

Buttery looking

A

S.aureus

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3
Q

Tube medium used to know if its motile or not

A

SIM

sulfide indole motility

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4
Q

Old stocking odor

A

MSA

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5
Q

Designed to s.aureus

A

MSA

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6
Q

Most virulent species

A

S.aureus

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7
Q

PVF of s.aureus

A

Coagulase

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8
Q

Culture in s.aureus

A

Golden yellow pigment (lipochrome)

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9
Q

Mild inflammation of hair follicle

A

Folliculitis

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10
Q

Large, superficial abscesses

A

Furuncles

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11
Q

Develop from multiple furuncles

A

Carbuncles

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12
Q

Crusty lesions

A

Impetigo

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13
Q

Has the ability to produce the clumping factor

A

S.aureus

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14
Q

Other term for clumping factor

A

Cell bound coagulase

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15
Q

Bound to the cell wall

A

Clumping factor

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16
Q

Not bound to cell wall

A

Free coagulase

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17
Q

Spreading factor enzyme

A

Hyaluronidase

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18
Q

Fat splitting enzyme

A

Lipase

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19
Q

It allows aureus to move to move in thick fluids

A

DNAse

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20
Q

Lowers viscosity of exudates

A

Dnase

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21
Q

Breaks down penicillin

A

Beta lactamase

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22
Q

Food poisoning

A

Enterotoxin A

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23
Q

Never food poisoning

A

Enterotoxin F

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24
This toxin attacks and kills WBCs
Leukocidin
25
Causes anemia
Hemolysin
26
Destroys rbc, platelets, macrophages
Alpha hemolysin
27
Reagent used for CAMP test for group of streptococci
Beta hemolysin
28
Destroys spingomyelin and rbc around nerves | Hot-cold lysin
Beta hemolysin
29
TSS
Toxic shock syndrome
30
Natural anticoagulant
Heparin
31
Reagent in coagulase test
Rabbit plasma
32
This method detects clumping factor
Slide method
33
This method detects free coagulase
Tube method
34
+ result in coagulase test
Clot
35
Slide coagulase + organisms
S.aureus S.lugdunensis S.schleiferi
36
Tube coagulase + organisms
S.aureus S.hyicus S.intermedius
37
Used to differentiate pathogenic from nonpathogenic staphylococci
Maniitol fermentation test
38
Ph indicator in mannitol fermentation test
Phenol red
39
End product in mannitol fermentation test
Acid production
40
Differentiates s.aureus from s.intermedius
Voges proskauer test
41
Reagents used in VP test
Alpha naphthol | Potassium hydroxide
42
+ result in VP test
Acetoin
43
Super bug
MRSA
44
MRSA
Methicillin resistant s.aureus
45
+ result in chromogenic test
Mauve colored colonies | Any change in the color of the medium
46
This gene results in resistance to erythromycin but susceptible to clindamycin
Msr A gene
47
Normal flora of the skin
Staphylococcus epidermidis
48
Associated with community acquired UTI
S.saphrophyticus
49
Selective medium for gram + cocci
Pea agar | Phenyl ethyl alcohol
50
Reagent used in catalase test
3% hydrogen peroxide (H2O2)
51
+ result catalase test
Bubble formation
52
Enzyme of blood
Peroxidase
53
Catalase negative staphylococci
S.aureus subsp. anaerobius | S.saccharolyticus
54
This reagent produce bubbles
Hydrogen peroxide
55
This enzyme results to bubble formation
Peroxidase
56
Detects slide coagulase + staphylo
Pyrrolidonyl arylamidase test
57
+ result in pyrrolidonyl arylamidase test
S.lugdunensis S.intermedius S.schleiferi
58
- result in pyrrolidonyl arylamidase test
S.aureus
59
+ result in dnase test
Pink color= cell died
60
- result in dnase test
Blue color= cell alive
61
Detects tube coagulase + staphylococci
VP test
62
+ result in vp test
S.aureus
63
- result in vp test
S.intermedius
64
Test used to detect inducible clindamycin
Double disk diffusion test
65
+ result in d test
D shaped
66
Antibiotics in d test
Erythromycin | Clindamycin

Microbiology (10 decks)

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