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BOARDS > Agar and Organism > Flashcards

Agar and Organism Flashcards

1
Q

Bile esculin agar

A

Enterococcus

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2
Q

Blood agar: α-hemolytic

A

Strep. Pneumo, Viridans Strep, Enterococcus

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3
Q

Blood agar: β-hemolytic

A

Ton’s of things: S. aureus, S. pyogenes, S. agalactia, Staph lugdunensis(coagulase negative and B-hemolytic makes it unique)

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4
Q

Blood agar: γ-hemolytic

A

Enterococcus

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5
Q

Blood agar: CAMP positive

A

Strep. Agalactiae, Listeria

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6
Q

Bordet-Gengou agar

A

B. pertussis

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7
Q

Buffered charcoal yeast extract agar

A

Legionella

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8
Q

Chocolate agar – with factors V and X

A

H. influenza

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9
Q

Chocolate agar – with factors X only

A

H. ducreyi

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10
Q

Lowenstein-Jensen agar

A

M. tuberculosis

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11
Q

MacConkey agar

A

E. coli and K. pneumonia

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12
Q

Regan-Lowe media

A

B. pertussis

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13
Q

Sabouraud dextrose agar

A

Fungi

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14
Q

Sorbitol MacConkey agar

A

All E.coli, except EHEC can’t ferment sorbitol

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15
Q

Thayer-Martin agar

A

N. gonorrhoeae or meningitides

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16
Q

Thiosulfate citrate bile salts sucrose agar

A

Vibrio

17
Q

Eaton medium

A

M. pneumonia

18
Q

Egg yolk agar

A

Clostridium

19
Q

Eosin Methylene Blue (EMB) agar

A

E. coli – grows metallic green colonies

20
Q

Hektoen enteric agar

A

Salmonella and Shigella

21
Q

Loeffler media

A

C. diphtheria

22
Q

Mannitol salt agar

A

S. aureus

23
Q

Tellurite media

A

C. diphtheria

24
Q

Thioglycolate broth

A

Depends on where the growth in the broth takes place. If only at top = aerobe. Only at bottom = anaerobe. If there is growth diffusely throughout the tube = facultative anaerobe

25
Q

Triple Sugar Iron (TSI) agar

A

If the organism produces hydrogen sulfide (Salmonella or Proteus) then agar turns black

26
Q

Xylose-Lysine-Deoxycholate (XLD) agar

A

Colonies with black centers = Salmonella.

Shigella colonies are red.

BOARDS (21 decks)

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