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Micropara Finals > Worms > Flashcards

Worms Flashcards

1
Q

Ancylostoma doudenale
Necator Americanus

A

Hook worms

Old-world : knob like teeth
New world : cutting plates

Ground itch
Loffler syndrome

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2
Q

Strongyloides stercoralis

A

Human threadworm

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3
Q

Onchocerca volvulus

A

Hanging groin

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4
Q

Loa loa

A

African eye worm
Calabar swelling (angioedema)

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5
Q

Dracunculus medinensis

A

Guinea worm

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6
Q

Ancylostoma caninum

A

Dog hook worms

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7
Q

Anisakis

A

Herringworm

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8
Q

Toxocara canis

A

Dog roundworm

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9
Q

Toxocara cati

A

Cat roundworm

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10
Q

Baysilascaris procyonis

A

Raccoon roundworm

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11
Q

Fasciolopsis buski

A

Giant intestinal fluke
Largest human trematode

Ingestion of metacercariae

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12
Q

Heterophyes heterophyes

A

Intestinal fish fluke
Smallest human trematode

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13
Q

Balantidium coli

A

Only ciliate protozoan parasite of human
Largest protozoan parasite of human

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14
Q

Clonorchis sinensis
Opisthorchis viverrini

A

Chinese liver fluke
Southeast asian liver fluke

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15
Q

Fasciola hepatica

A

Sheep liver fluke

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16
Q

Paragonimus westermani

A

Human lung fluke

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17
Q

Schistosoma

A

Blood fluke
Can live for 10-20 years within the venous system

Swimmers itch
Kayatama/snail fever

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18
Q

Taenia saginata

A

Beef tapeworm

19
Q

Nematodes

A

Elongated and tapered at both ends
Round in cross section
Unsegmented
1 host

Except:
Filarial nematodes
Dracunculus medinensis

20
Q

Taenia solium

A

Pork tapeworm

Ingestion of cysticeri/larva from pork

21
Q

Diphyllobothrium latum

A

Broad fish tapeworm
Longest tapeworm >10m, leaf shaped

Absorbs vit b12

Ingestion of plerocercoids

22
Q

Enterobius vermicularis

A

Pin worm
Pruritus ani

23
Q

Hymenolepis nana

A

Dwarf tapeworm
Smallest human cestode
Most common cestode infection in human
Only cestode that completes life cycle in 1 host

24
Q

Hymenolepis diminuta

A

Rat tapeworm

25
Q

Dipylidium caninum

A

Dog tapeworm

26
Q

Echinococcus granulosus

A

Hyatid worm
3- segmented tapeworm

Protoscolices: thousands of future larvae

27
Q

Platyhelminthes

A

Dorsoventrally flattened in cross section
Hermaphroditic

28
Q

Giardia intestinales

A

Has 8 flagella
Ventral sucker disk

29
Q

Trichomonas vaginalis

A

Sexually transmitted protozoa
Genitourinary flagellate

30
Q

Visceral leishmaniasis

A

Progressive wasting and anemia
Death due to secondary infection

31
Q

Post kala Azar dermal leishmanoid

A

Reddish depigmented nodules

32
Q

P falciparum

A

Most common and most severe malaria
Shortest incubation period

33
Q

P malariae

A

Longest incubation period

34
Q

Phylum nematoda

A

Roundworm

35
Q

Phylum platyhelminthes

A

Flatworms

36
Q

Class trematoda

A

Flukes

37
Q

Class cestoda

A

Tapeworm

38
Q

Trematodes

A

Flattened and leaf shaped
2 muscular suckers (ventral and oral)
1 definitive host
2 intermediate host (snail, fish/crab)

Except: schistosomes: 1 intermediate host (snail)

39
Q

Cestodes

A

Flat & ribbon-like

Proglottids: segments, each contain male & female reproductive organs
Scolex: suckers, hooks, or structures for attachment
2 hosts

Except:
Hymenolepis nana: 1 host
Diphyllobothrium latum: 3 hosts

40
Q

Trichuris trichiura

A

Whipworm
Soil transmitted helminths

Kato Katz technique

41
Q

Ascaris lumbricoides

A

Common roundworm
Giant intestinal roundworm
An STH

42
Q

Strongyloides stercoralis

A

Human threadworm

43
Q

Wurcheria, Bancrofti, brugia, malayi, brugia timori

A

Lymphatic filariasis

Chronic infection:
Elephantiasis
Hydrocele - swelling in the scrotums

Micropara Finals (10 decks)

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