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Clinical Bacteriology > Small Pleomorphic Gram (-) Fastidious Coccobacilli > Flashcards

Small Pleomorphic Gram (-) Fastidious Coccobacilli Flashcards

1
Q

haemophilus: catalase (+) spps

A

h. influenzae, h. hemolyticus

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2
Q

haemophilus: preferred incubation

A

35-37C at 5-10% CO2

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3
Q

very susceptible to drying and extreme temperatures

A

haemophilus

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4
Q

haemophilus: normally inhabit the URT & oral cavity except ___

A

H. ducreyi

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5
Q

demonstrates satellite phenomenon

A

haemophilus

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6
Q

charactersitics of x factor

A

hemin, heat stable, aka protoporphyrin 9

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7
Q

characteristics of v factor

A

isolated from horse blood, heat labile, AKA coenzyme 1 / nicotinamide adenine dinucleotide

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8
Q

v factor can be supplied by

A

potatoes, yeast, staph, pneumo, gono (cocci)

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9
Q

Pasteurella: indole (+) except

A

P. bettyae

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10
Q

Pasteurella: Appearance

A

safety pin

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11
Q

Pasteurella: susceptible to ___

A

penicillin

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12
Q

VF of Pasteurella

A

endotoxin & capsule

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13
Q

Bordetella: NM except _____

A

B. Bronchieseptica

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14
Q

Bordetella: oxidase (+) except ____

A

B. parapertussis

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15
Q

Bordetella: urease (+) except

A

B. pertussis

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16
Q

exhibits mercury colonies

A

Bordetella

17
Q

Bordetella: Gram stain

A

safranin or basic fuchsin (.2%) as counterstain for 2 mins

18
Q

replicates in ciliated respiratory endothelial cells

A

Bordetella

19
Q

Bordetella: Growth factors

A

methionine, cysteine, nicotinic acid

20
Q

VF of Bordetella

A

pertussis toxin, adenylyl cyclase, tracheal cytotoxin and dermonecrotic toxin, pertactin and fimbriae

21
Q

Brucella: result on bap

A

gamma hemolytic

22
Q

Brucella: H2s (+) except

A

B.canis

23
Q

normal flora of urinary tract & GIT of shep

A

Brucella

24
Q

listed as category b agent for bioterrorism

A

Brucella

25
Q

sand appearance

A

Brucella

26
Q

placental tissued used as a growth factor

A

erythritol

27
Q

dye inhibition used in brucella and results:

A

thionine & fuchsin dye inhibition [(+) = not inhibited // (-) = inhibited]

Clinical Bacteriology (6 decks)

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