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Flashcards in Gram Positive Cocci Deck (67)
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0
Q

Staphylococci are facultatively anaerobic except this

A

S.saccharolyticus

1
Q

They are catalase producing bacteria and facultatively anaerobic

A

Staphylococci

2
Q

Buttery looking

A

S.aureus

3
Q

Tube medium used to know if its motile or not

A

SIM

sulfide indole motility

4
Q

Old stocking odor

A

MSA

5
Q

Designed to s.aureus

A

MSA

6
Q

Most virulent species

A

S.aureus

7
Q

PVF of s.aureus

A

Coagulase

8
Q

Culture in s.aureus

A

Golden yellow pigment (lipochrome)

9
Q

Mild inflammation of hair follicle

A

Folliculitis

10
Q

Large, superficial abscesses

A

Furuncles

11
Q

Develop from multiple furuncles

A

Carbuncles

12
Q

Crusty lesions

A

Impetigo

13
Q

Has the ability to produce the clumping factor

A

S.aureus

14
Q

Other term for clumping factor

A

Cell bound coagulase

15
Q

Bound to the cell wall

A

Clumping factor

16
Q

Not bound to cell wall

A

Free coagulase

17
Q

Spreading factor enzyme

A

Hyaluronidase

18
Q

Fat splitting enzyme

A

Lipase

19
Q

It allows aureus to move to move in thick fluids

A

DNAse

20
Q

Lowers viscosity of exudates

A

Dnase

21
Q

Breaks down penicillin

A

Beta lactamase

22
Q

Food poisoning

A

Enterotoxin A

23
Q

Never food poisoning

A

Enterotoxin F

24
Q

This toxin attacks and kills WBCs

A

Leukocidin

25
Q

Causes anemia

A

Hemolysin

26
Q

Destroys rbc, platelets, macrophages

A

Alpha hemolysin

27
Q

Reagent used for CAMP test for group of streptococci

A

Beta hemolysin

28
Q

Destroys spingomyelin and rbc around nerves

Hot-cold lysin

A

Beta hemolysin

29
Q

TSS

A

Toxic shock syndrome

30
Q

Natural anticoagulant

A

Heparin

31
Q

Reagent in coagulase test

A

Rabbit plasma

32
Q

This method detects clumping factor

A

Slide method

33
Q

This method detects free coagulase

A

Tube method

34
Q

+ result in coagulase test

A

Clot

35
Q

Slide coagulase + organisms

A

S.aureus
S.lugdunensis
S.schleiferi

36
Q

Tube coagulase + organisms

A

S.aureus
S.hyicus
S.intermedius

37
Q

Used to differentiate pathogenic from nonpathogenic staphylococci

A

Maniitol fermentation test

38
Q

Ph indicator in mannitol fermentation test

A

Phenol red

39
Q

End product in mannitol fermentation test

A

Acid production

40
Q

Differentiates s.aureus from s.intermedius

A

Voges proskauer test

41
Q

Reagents used in VP test

A

Alpha naphthol

Potassium hydroxide

42
Q

+ result in VP test

A

Acetoin

43
Q

Super bug

A

MRSA

44
Q

MRSA

A

Methicillin resistant s.aureus

45
Q

+ result in chromogenic test

A

Mauve colored colonies

Any change in the color of the medium

46
Q

This gene results in resistance to erythromycin but susceptible to clindamycin

A

Msr A gene

47
Q

Normal flora of the skin

A

Staphylococcus epidermidis

48
Q

Associated with community acquired UTI

A

S.saphrophyticus

49
Q

Selective medium for gram + cocci

A

Pea agar

Phenyl ethyl alcohol

50
Q

Reagent used in catalase test

A

3% hydrogen peroxide (H2O2)

51
Q

+ result catalase test

A

Bubble formation

52
Q

Enzyme of blood

A

Peroxidase

53
Q

Catalase negative staphylococci

A

S.aureus subsp. anaerobius

S.saccharolyticus

54
Q

This reagent produce bubbles

A

Hydrogen peroxide

55
Q

This enzyme results to bubble formation

A

Peroxidase

56
Q

Detects slide coagulase + staphylo

A

Pyrrolidonyl arylamidase test

57
Q

+ result in pyrrolidonyl arylamidase test

A

S.lugdunensis
S.intermedius
S.schleiferi

58
Q
  • result in pyrrolidonyl arylamidase test
A

S.aureus

59
Q

+ result in dnase test

A

Pink color= cell died

60
Q
  • result in dnase test
A

Blue color= cell alive

61
Q

Detects tube coagulase + staphylococci

A

VP test

62
Q

+ result in vp test

A

S.aureus

63
Q
  • result in vp test
A

S.intermedius

64
Q

Test used to detect inducible clindamycin

A

Double disk diffusion test

65
Q

+ result in d test

A

D shaped

66
Q

Antibiotics in d test

A

Erythromycin

Clindamycin