Micrococcaceae Flashcards

1
Q

Oxidizer

A

Micrococcus

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2
Q

Inner alpha

Outer beta

A

Alpha prime

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3
Q

Closed tube is sealed with

A

Vaspar or mineral oil

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4
Q

Former name of S. epidermidis

A

S. albus

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5
Q

Inhibitor of msa

A

7.5% NaCl

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6
Q

Yellow on msa

MF

A

S. aureus

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7
Q

Acetoin

A

VP test

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8
Q

Specimen for catalase should not be from

A

BAP

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9
Q

Rgt for catalase test

A

3% hydrogen peroxide

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10
Q

Staph is catalase

A

Positive

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11
Q

Bacitracin resistant

A

Staphylococcus

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12
Q

Modified oxidase positive

A

Micrococcus

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13
Q

Modified oxidase rgt

A

TPDD with DMSO

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14
Q

G+ cocci in cluster

Grape like cocci

A

Staphylococcus

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15
Q

Bacterial endocarditis (artificial heart valves)

A

S. epidermidis

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16
Q

Difference of modified oxidase vs not modified

A

dmso

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18
Q

Positive result for microdase

A

Blue

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19
Q

Fermenter

A

Staph

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20
Q

Ph indicator for glucose OF test

A

Bromthymol blue

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21
Q

Creamy white pinhead

A

Staphylococcus

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22
Q

Lemon yellow on lss

A

S. citreus

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23
Q

Most important pathogenic determinant of S. aureus

A

Coagulase

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24
Q

UTI in young woman

A

S. saprophyticus

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25
Q

Complete hemolysis

A

Beta

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25
Ph indicator in msa
Phenol red A- Yellow K- Red
27
Convert fibrinogen to fibrin clot
Coagulase
28
Non hemolysis
Gamma
29
Detects cell bound coagulase or clumping factor
Slide coagulase
30
Desquamation of palms and soles
Toxic shock syndrome
31
Positive rxn for slide coagulase
Clumping
33
Detects free coagulase
Tube coagulase
34
Aka pantone valentine factor
Leukocidin
35
SSS
Exofoliatin
36
Tube coagulase incubation
37 C | 4 hours check every 30 mins
38
G+ cocci in tetrads or sarcinae | Packets of four
Micrococcus
39
Incubation for coagulase confirmation
20 hours
40
Golden yellow on lss
S. aureus
40
Pink in msa
S. epidermidis | S. saprophyticus
41
Medium for DNAse test
DNA medium with methyl green
41
DNAse positive
S. aureus Moraxella Serratia
43
Spreading factor
Hyaluronidase
44
PYR positive
S. intermedius | S. scleiferi
46
Hemolysis in refrigerated specimen
Alpha prime
47
Initiation of skin infection such as boils
Lipase
48
Green or brown zonr of hemolysis
Alpha
49
Resistant to novobiocin
S. saprophyticus
50
Predominant pathogen in adult joint infection
S. aureus
51
Sensitive to novobiocin
S. epidermidis
52
Porcelein white in lss
S. albus
53
Inhibit phagocytosis
Protein A | Leukocidin
54
Hydrolyze tissue through cleavage of stratum granulosum
Exofoliatins
55
Dissolve fibrin clot
Staphylokinase
56
Positive rxn for tube coagulase
Gel like fibrin clot
56
Hydolyzes lipid in plasma and skin
Lipase
57
Enterotoxin A and B
Food poisoning
58
MRSA
Vancomycin
59
Enterotoxin F
Toxic shock syndrome
60
Cause false positive coagulase
Citrate
60
VP positive
S. aureus | S. scleiferi
60
Associated with coagglutination
Protein A