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
Q

Ph indicator in msa

A

Phenol red
A- Yellow
K- Red

27
Q

Convert fibrinogen to fibrin clot

A

Coagulase

28
Q

Non hemolysis

A

Gamma

29
Q

Detects cell bound coagulase or clumping factor

A

Slide coagulase

30
Q

Desquamation of palms and soles

A

Toxic shock syndrome

31
Q

Positive rxn for slide coagulase

A

Clumping

33
Q

Detects free coagulase

A

Tube coagulase

34
Q

Aka pantone valentine factor

A

Leukocidin

35
Q

SSS

A

Exofoliatin

36
Q

Tube coagulase incubation

A

37 C

4 hours check every 30 mins

38
Q

G+ cocci in tetrads or sarcinae

Packets of four

A

Micrococcus

39
Q

Incubation for coagulase confirmation

A

20 hours

40
Q

Golden yellow on lss

A

S. aureus

40
Q

Pink in msa

A

S. epidermidis

S. saprophyticus

41
Q

Medium for DNAse test

A

DNA medium with methyl green

41
Q

DNAse positive

A

S. aureus
Moraxella
Serratia

43
Q

Spreading factor

A

Hyaluronidase

44
Q

PYR positive

A

S. intermedius

S. scleiferi

46
Q

Hemolysis in refrigerated specimen

A

Alpha prime

47
Q

Initiation of skin infection such as boils

A

Lipase

48
Q

Green or brown zonr of hemolysis

A

Alpha

49
Q

Resistant to novobiocin

A

S. saprophyticus

50
Q

Predominant pathogen in adult joint infection

A

S. aureus

51
Q

Sensitive to novobiocin

A

S. epidermidis

52
Q

Porcelein white in lss

A

S. albus

53
Q

Inhibit phagocytosis

A

Protein A

Leukocidin

54
Q

Hydrolyze tissue through cleavage of stratum granulosum

A

Exofoliatins

55
Q

Dissolve fibrin clot

A

Staphylokinase

56
Q

Positive rxn for tube coagulase

A

Gel like fibrin clot

56
Q

Hydolyzes lipid in plasma and skin

A

Lipase

57
Q

Enterotoxin A and B

A

Food poisoning

58
Q

MRSA

A

Vancomycin

59
Q

Enterotoxin F

A

Toxic shock syndrome

60
Q

Cause false positive coagulase

A

Citrate

60
Q

VP positive

A

S. aureus

S. scleiferi

60
Q

Associated with coagglutination

A

Protein A