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BACTERIOLOGY > Anaerobes > Flashcards

Anaerobes Flashcards

1
Q

Collectively termed as clostridia

A

Clostridium

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2
Q

Clostridium has 3 kinds of spores

A

Terminal, subterminal,central

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3
Q

Spores large and central to subterminal,oval and LARGE BOXCAR SHAPES
DOUBLE ZONE B-hemolysis

A

Clostridium perfringens

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4
Q

Other term for gas gangrene

A

Myonecrosis

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5
Q

What toxin of C.perfringens that causes necrosis

A

a-toxin

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6
Q

Fluid-filled blisters

A

Bullae

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7
Q

Type of food poisoning that is relatively mild

A

Type A

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8
Q

Type of food poisoning that is more serious but rarely seen

A

Type C

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9
Q

What type of enterotoxin linked to sporulation up to 8-30 hrs incubation period

A

Type A

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10
Q

What type of enterotoxin associated with strains that produce B-toxin and less commonly

A

Type C

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11
Q

Other term for C.perfringens type C food poisoning

A

Enteritis necroticans

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12
Q

Incubation period of C.perfringens type C food poisoning

A

5-6 hrs

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13
Q

subterminal and resemble a TENNIS RACKET

A

Clostridium botulinum

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14
Q

ingestion of preformed botulinum toxin

A

Botulism

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15
Q

Only type A,B,E are associated with human disease,PRESERVED OR CANNED FOODS

A

Clostridium botulinum

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16
Q

it is called Botulinum toxin type A

A

Botox

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17
Q

Botox is used to treat?

A

Strabismus (wandering eye)

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18
Q

Honey contaminated with C.botulinum

A

Infant botulism

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19
Q

Has the characteristics of DRUMSTICK or TENNIS RACKET

A

Clostridium tetani

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20
Q

it has narrow zone B-hemolysis:may swarm over agar surface

A

Clostridium tetani

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21
Q

neurotoxin produced by C.tetani

A

tetanospasmin

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22
Q

Vaccine for C.tetani

A

Diptheria tetanus-acellular pertussis (DTaP) vaccine

23
Q

Barnyard or horse-stable odor

A

Clostridium difficile

24
Q

has a yellow,ground galss colony

A

C.difficile

25
Q

what fluorescence does C.difficile use

A

chartreuse (yellow green) fluorescence

26
Q

C.difficile produce 2 toxins

A

toxin A:enterotoxin
toxin B:cytotoxin

27
Q

test for toxin production of C.difficile

A

EIA

28
Q

an agar used to determine the activities of lecithinase,lipase,proteolytic enzymes

A

egg yolk agar plate

29
Q

lecithinase cleaves lecithin found in egg yolk produces an ______ zone around the colony

A

opaque

30
Q

Lipase-positive organism produce a colony with a appearance of a ?

A

gasoline on water or “mother of pearl”

31
Q

a disease characterized by the development of sinus and FISTULAE

A

Actinomycosis

32
Q

the strains of this disease resembles a MOLAR TEETH

A

Actinomyces israelii

33
Q

sinus tracts anf fistulae,which erupt to the surface and drain pus that may contain so called?

A

sulfur granules

34
Q

they help protect the host from urogenital infection

A

Lactobacillus

35
Q

the lactic acid product of their metabolism helps maintain the low pH of the normal adult female genital tract

A

Lactobacillus

36
Q

can cause disease when they infect plastic shunts

A

Propionibacterium

37
Q

genesis of ACNE

A

propionibacterium

38
Q

cells may be pointed,club-shaped,spatulated or bifurcated (FORKED)

A

Bifidobacterium spp

39
Q

cells may appear as a STAR like aggregate,V arrangements,PALISADE CLUSTER

A

Bifidobacterium spp

40
Q

bile-tolerant species grow in the presence of 20% BILE

A

Bacteroides fragilis

41
Q

A bacteroides that its colonies appear to PIT the agar

A

Bacteroides ureolyticus

42
Q

Most of its species produce butyric acid
*can cause OSTEOMYELITIS

A

Fusobacteria

43
Q

its morphology referred to as FUSIFORM

A

F.nucleatum

44
Q

a fusobacteria who is pleomorphic and exhibit globular forms,BIZARRE SHAPES

A

F.mortiferum

45
Q

some prevotella produce ___________that can cause dark pigment colony

A

protoporphyrin

46
Q

identification of pigmented prevotella group

A

brick red fluorescence

47
Q

this bacteria will produce brick red fluorescence under UV LIGHT

A

porphyromonas

48
Q

the species can be cultured grom gingival and periapical tooth

A

porphyromonas spp

49
Q

part of the normal flora if the mouth,nasopharynx,probably intestine

A

veillonella

50
Q

support the growth of prevotella spp

A

KVLB agar

51
Q

this bacteria has a small,convex translucent colonies on BAP

A

veillonella

52
Q

the gram stain morphology of _______ may resemble staphylococcus spp

A

Finegoldia

53
Q

the only anaerobic spore forming bacilli that has benn isolated from human clinical materials

A

Clostridium

BACTERIOLOGY (5 decks)

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