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Lab > microbes of various importance > Flashcards

microbes of various importance Flashcards

1
Q

what gram positive cocci is known to cause pyogenic infection

A

streptococci

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2
Q

what gram positive bacteria are sometimes normal flora

A

streptococci

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3
Q

what gram positive bacteria is classified by BAP hemolysis

A

streptococci

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4
Q

what type of hemolysis strep. is divided into groups

A

beta

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5
Q

beta hemolysis group A

A

S. pharyngitis - strep throat

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6
Q

beta hemolysis group B

A

S. agalactiae - mastitis

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7
Q

beta hemolysis group C

A

S. equi - strangles

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8
Q

what test is specific for S. agalactiae

A

CAMP

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9
Q

what catalase result indicates staph

A

positive (bubbles)

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10
Q

what can cause a false positive on a catalase test

A

BAP transfered to slide

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11
Q

what is performed on a catalase positive test to differentiate staph. sp

A

coagulase test

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12
Q

what types of staph does a coagulase test differentiate

A

S. aureus (clots) and S. epidermis (no clot)

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13
Q

what type of toxin does bacillus produce

A

exotoxin

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14
Q

how should anthrax be diagnosed

A

blood from the ear vein

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15
Q

what gram positive rod causes bleeding form all orifices and no rigor mortis

A

bacillus anthracis

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16
Q

what is a common contaminant of silage

A

Listeria

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17
Q

who is more susceptible to Listeria

A

herbivores

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18
Q

what does listeria cause

A

food poisoning

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19
Q

what is the mortality rate of listeria

A

20%

20
Q

what are the 2 forms of listeria

A

visceral and neural

21
Q

what does visceral listeria result in

A

abcesses that cover organs

22
Q

what does neural listeria cause

A

circling disease in cattle and sheep

23
Q

what type of ataxis results in circling

A

unilateral

24
Q

what gram positive rod is found in pigs and causes diamond skin lesions

A

erysipelothrix

25
Q

what is usually found in large animals and will cause diptheria in humans

A

corynebacterium

26
Q

what gram positive rod can be pleomorphic

A

corynebacterium

27
Q

can change form during growth from cocci to rod

A

pleomorphic

28
Q

what is one of the most potent biological toxins known to man

A

clostridium

29
Q

what gram positive rod causes tetanus

A

clostridium

30
Q

what is the most common bacteria isolated from infected dog and cat bites

A

pasturella (canis or stomatitis)

31
Q

what bacteria reside in the reproductive tract of cattle, swine, goats, and humans

A

brucella

32
Q

what can exposure to infected rabbits and rodents cause

A

francisella tularensis

33
Q

what gram negative rod looks like a comma shaped bacteria and is in undercooked seafood

A

vibrio

34
Q

what causes kennel cough

A

bordetella

35
Q

what causes dermatitis with blue/green purulent discharge

A

pseudomonas aeruginosa

36
Q

what is considered a serious primary pathogen of birds, reptiles, and amphibians

A

pseudomonas aeruginosa

37
Q

what has a fruity smell when grown on agar

A

pseudomonas aeruginosa

38
Q

what swarms on BAP agar

A

proteus more, also pseudomonas aeruginosa

39
Q

what causes red leg

A

aeromonas

40
Q

what are known as colaforms

A

gram negative rods

41
Q

what is the largest group of potential pathogens

A

gram negative rods

42
Q

what type of bacteria are opportunistic

A

gram negative rods

43
Q

what does large numbers of gram negative rods in water mean

A

fecal contamination from farm runoff or sewage

44
Q

what is acid fast stain used to detect

A

mycobacterium

45
Q

what organism can survive phagocytosis

A

mycobacterium

46
Q

what organism does not form a cell wall

A

mycoplasma

47
Q

what 4 types of infection does gram negative rods cause

A

gastrointeritis, cepticemia, mastitis, UTI

Lab (10 decks)

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