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Trematodes Flashcards

(84 cards)

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1
Q

What is the common name for trematodes

A

flukeworms

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2
Q

What are the characteristics of trematodes

A

Dorso-ventrally flattened and leaf-like with bilateral asymmetry, except Schistosomes

Hermaphrodites, except Schistosomes

Eggs are operculated, except Schistosomes

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3
Q

What is the general infective stage of trematodes

A

metacercaria

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4
Q

What is the infective stage of Schistosoma spp

A

cercaria

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5
Q

What is the mode of transmission of general trematodes

A

ingestion

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6
Q

What is the mode of transmission of Schistosoma spp

A

Skin penetration

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7
Q

What is the 1st IH of trematodes

A

snail

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8
Q

What is the 2nd IH of trematodes

A

another snail, fish, crustacean, fresh water plants

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9
Q

These parasites IH is fish

A

Heterophyes heterophyes, Clonorchis sinensis, Opistorchis felineus

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10
Q

These parasites IH is crab

A

Paragonimus westermani

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11
Q

These parasites IH is vegetation

A

Fasciola hepatica, Fasciola gigantica, Fasciolopsis buski

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12
Q

These parasites IH is snail

A

Echinostoma ilocanum

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13
Q

It is the organ for attachment

A

Acetabulum

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14
Q

What kind of sucks does the acetabulum have

A

oral and ventral sucker

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15
Q

What parasite has 3 suckers

A

Heterophyes heterophyes

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16
Q

What is the 3rd sucker of the Heterophyes heterophyes

A

Gonotyle (genital sucker)

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17
Q

It is the sheep liver fluke

A

Fasciola hepatica

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18
Q

What is the disease associated with sheep liver fluke

A

liver rot in sheep

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19
Q

What is the 2nd IH of fasciola hepatica

A

water plants (watercress, kangkong)

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20
Q

It is the giant liver fluke

A

Fasciola gigantica

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21
Q

What is the associated disease of the giant liver fluke

A

infects cattle in the PH

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22
Q

It is the most important liver fluke to human

A

Clonorchis sinensis

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23
Q

It is the chinese liver fluke or oriental fluke

A

Clonorchis sinensis

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24
Q

What is the 2nd IH of Clonochis sinensis

A

fish

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25
What is the cat liver fluke
Opistorchis felineus
26
What is the 2nd IH of cat liver fluke
cyprinoid fish
27
It is the giant intestinal fluke
Fasciola buski
28
What is the 2nd IH of giant intestinal fluke
water caltrop, chestnut, bamboo shoots
29
These parasites have indistinguishable eggs
Fasciola spp
30
This parasite has a hen's egg shaped ova
Fasciola buski
31
It is the Garrison’s fluke or Spiny fluke
Echinostoma ilocanum
32
It is the 2nd IH of the Garrison’s fluke or Spiny fluke
snail
33
It is the smallest but deadliest fluke of man
Heterophyes heterophyes
34
This parasite has a third sucker
Heterophyes heterophyes
35
It is the Von Siebold’s fluke
Heterophyes heterophyes
36
What is the 2nd IH of Von Siebold’s fluke
snail, fish
37
It is the oriental lung fluke
Paragonimus westermani
38
What are the associated disease of the oriental lung fluke
Pulmonary inflammation and fibrosis resulting in pneumonia or TB-like syndrome endemic hemoptysis
39
What is the LabDx of oriental lung fluke
examination of sputum of stool for characteristic eggs
40
What is the 2nd IH of oriental lung fluke
freshwater cray, crayfish
41
This parasite have with thickened abopercular end opposite the operculum
Paragonimus westermani
42
It is an adult parasite that resembles a coffee bean
Paragonimus westermani
43
It is the most romantic parasite
Schistosoma spp
44
What is the LabDx of the most romantic parasite
Demonstration of / eggs in feces, rectal or liver biopsies, urine Faust and Meleney’s egg hatching technique Circumoval precipitin test (COP)
45
The characteristic of adult parasites Adult male – with gynecophoral canal where the female is held during copulation
Schistosoma spp
46
It is the oriental blood fluke
Schistosoma japonicum
47
What is the disease that is caused by oriental blood fluke
Katayama's fever
48
It is the smallest blood fluke
Schistosoma mansoni
49
It is the vesical blood fluke
Schistosoma haematobium
50
What is the disease that is caused by the vesical blood fluke
Bilharziasis or urinary schistosomiasis
51
What is the habitat of the oriental blood fluke
small intestines
52
What is the habitat of the smallest blood fluke
Colon, rectum
53
What is the habitat of the vesical blood fluke
Urinary bladder
54
This parasite has a small, knoblike or recurved hook on one side of its egg
Schistosoma japonicum
55
It is a parasites egg that has lateral spine
Schistosoma mansoni
56
It is a parasites egg that has a terminal spine
Schistosoma haematobium
57
What is the IH of oriental blood fluke
Oncomelani quadrasi
58
What is the IH of the smallest blood fluke
Biomphalaria Australorbis Tropicorbis
59
What is the IH of vesical blood fluke
Bulinus Physopsis Biomphalaria
60
All trematodes are hermaphroditic True or False.
FALSE Schistosomes are have separate sexes.
61
What diagnostic test is best for trematode detection?
DFS. Trematodes are too heavy for floatation technique.
62
What is the purpose of oral and ventral suckers?
Attachment
63
Flukes are oviparous. True or False.
TRUE. They lay unemmbryonated eggs.
64
Common name of trematodes
Fluke
65
All trematodes require an intermediate host. True or False.
True
66
What is the definitive host of flukes?
Humans
67
What is the first intermediate host of flukes?
Snail
68
Also known as the Giant Intestinal Fluke
Fasciolopsis buski
69
It has an operculated egg with shoulders and small knob at abopercular end.
Clonorchis sinensis
70
What is the infective stage of F. hepatica?
Metacercaria
71
Trematode found in Japan, Korea, China, Philippines, and Southeast Asia?
Paragonimus westermani
72
Chronic cough and abundant mucus in heavy infections, high eosinophilia, and light infections are asymptomatic.
Paragonimus westermani
73
Schistosoma with terminal spine
Schistosoma haematobium
74
Schistosoma with lateral spine
Schistosoma mansoni
75
Second intermediate host of P. westermani?
Crab
76
Second intermediate host of Echinostoma ilocanum
Snail
77
The third sucker of trematodes
GONOTYLE
78
It is the smallest yet the deadliest fluke of man
Heterophyes heterophyes
79
Schistosoma that resides in the bladder
Schistosoma haematobium
80
In Schistosomes, where is the female held during copulation?
GYNECOPHORAL CANAL
81
Fluke causing TB-like symptoms
Paragonimus westermani
82
What is the infective stage of Schistosomes?
Cercaria
83
All trematode ova are operculated.
FALSE. Schistosomes ova are non-operculated.
84
What is the mode of transmission of Schistosomes?
Skin Penetration

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