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skills final exam > parasites from quizlet > Flashcards

parasites from quizlet Flashcards

1
Q

pin worm

A

enterobius vermicularis

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2
Q

large instertinal roundworm

A

ascaris lumbricoides

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3
Q

whip worm

A

trichuris trichiura

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4
Q

old world hook worms

A

ancylostoma duodenale

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5
Q

new world hook worm

A

necator americanus

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6
Q

thread worm

A

strongyloides stericoralis

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7
Q

has no common name tissue nematode

A

trichinella spiralis

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8
Q

guinea worm

A

drucunculus medinensis

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9
Q

round worm of cats and dogs

A

toxocara canis/cati

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10
Q

hookworm of dogs and cats

A

ancylostoma brazilense/caninum

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11
Q

only filarial nematode with a common name

A

loa loa African eye worm

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12
Q

broad or fish tape worm

A

diphyllobothrium latum

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13
Q

beef tape worm

A

taenia saginata

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14
Q

pork tape worm

A

taenia solium

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15
Q

dwarf tapeworm

A

hymenolepis nana

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16
Q

rat tapeworm

A

hymenolepis dimunuta

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17
Q

dog tape worm

A

diphylidium canium

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18
Q

hydatid tapeworm

A

echinococcus

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19
Q

giant intestinal fluke

A

fasciolopsis buski

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20
Q

sheep liver fluke

A

fascoila hepatica

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21
Q

chinese/oriental liver fluke

A

clonorchis sinensis

22
Q

oriential lung fluke

A

paragonimus westermani

23
Q

only blood trematode with a common name

A

bladder fluke, schistosome haematobium

24
Q

E. vermicularis diagnostic, infective, and method

A

eggs or adults
eggs
eggs ingested hand to mouth usually

25
Q

E. vermicularis egg morphology

A

elongate or ovoid
flat on one side
shell thick and see though

26
Q

E. vermicularis adult morphology

A

females- pointed end
males curved end
male usually dead when in feces

27
Q

symptom; perianal itching, enterobiasis

A

e. vermicularis

28
Q

diagnosis of eggs in stoll, perianal scraping, cellulose tape prep, finger nail swabs

A

e. vermicularis

29
Q

A. lumbricoides diagnostic, infectious, and method

A

undeveloped eggs
eggs
infected eggs have larva and are eaten by humans then passes both fertilized and unfertilized

30
Q

A. lumbricoides fertilized egg morphology

A

broad ovoid
scalloped edges, thick mammillated coating, decorticated (lost coating)
bile stained, golden brown color

31
Q

A. lumbricoides unfertilized egg morphology

A

oval, longer and narrower than fertilized
mamillated coating varies ,
presence in stool means only females in intestine

32
Q

A. lumbricoides adult morphology

A

largest intestinal worm
creamy white color
females generally longer
males curved end

33
Q

symptoms; none at first, ascaris pneumonitits, intestinal blockage, malnutrition

A

A. lumbricoides

34
Q

diagnosis eggs/adults in stool during intestinal stage, ZnSO4 not effective but maybe see in sputum or gastric washing

A

A. lumbricoides

35
Q

T. trichiura diagnostic, infective, and method

A

undeveloped eggs
eggs
infective larva eaten by humans

36
Q

T. trichiura egg morphology

A

football shape
polar plugs on ends
eggs passed embryonated

37
Q

T. trichiura adult morphology

A

whip like anterior end, broader posterior
females rounded posterior
males 360 coil at posteriors end

38
Q

symptom; damage to mucosa, allergic rxn, lots of worms may cause diarrhea, rectal prolapse, hypochromic anemia

A

t. trichiura

39
Q

diagnosis eggs in still (adults rarely seen, attached to intestinal wall)

A

T. trichiura

40
Q

A. duodenale diagnostic, infective, and method

A

eggs
filariform larva
eggs develope in rhabditiform larvae which become filariform larvae which pernitrate skin

41
Q

A. duodenale egg morphology

A

oval with broadly rounded ends
very thin shell, clear areas between embryo and shell

42
Q

A. duodenale larvae morphology

A

rhadbitiform larva; long buccal cavity inconspicuous genitalia
filariform larva; pointed tail

43
Q

A. duodenale adult morphology

A

pick or graywhite
head slightly bent
mouth armed with teeth

44
Q

symptoms; intestinal phase can cause necrosis of intestinal tissue and blood loss, fatigue, nausea, vomiting, pain, diarrhea, weakness, iron deficiency

A

A. duodenale

45
Q

diagnosis; eggs in stool, not uasually necessary to destiguish from N. americanus

A

A. duodenale

46
Q

N. americanus; diagnostic, infective, and method

A

eggs
filariform larvae
filariform larvae penetrate skin

47
Q

N. americanus egg morphology

A

closely resembled those of A. duodenale but slightly larger

48
Q

N. americanus adult morphology

A

slightly smaller than A. duodenale
head sharply bent
mouth has cutting plates

49
Q

symptoms and diagnosis similar to A. duodenale

A

N. americanus

50
Q

S. stercoralis diagnostic, infective, and method

A

rhabditiform larvae
filariform larvae
rhabditiform larvae develope into filariform, whcih penitrate skin and migrate to small intestine and mature and live as adults
autoreinfection, develop in intestine and rather then pass in feces, enter blood stream

skills final exam (14 decks)

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