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Clinical Parasitology Lab > TREMATODES > Flashcards

TREMATODES Flashcards

1
Q

Largest Intestinal Fluke

A

Fasciolopsis buski

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2
Q

Dwarf Intestinal Fluke, Von Seibold fluke

A

Heterophyes heterophyes

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3
Q

Ova Appears as “Hen’s egg”

A

Fasciolopsis buski

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4
Q

Ova Contains fully developed miracidium

A

Heterophyes heterophyes Ova

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5
Q

Adult Thick, flesh in color

A

Fasciolopsis buski

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6
Q

Cuticle is covered with minute scale-like spines

A

Heterophyes heterophyes

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7
Q

S.I., L.I., and Stomach

A

Fasciolopsis buski

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8
Q

S.I.

A

Heterophyes heterophyes

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9
Q

1St IH Planorbid snails

A

Fasciolopsis buski

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10
Q

1St IH Blackish water snails

A

Heterophyes heterophyes

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11
Q

2nd IH Water plant: west chestnuts, water caltrop, water hyacinth, water bamboo

A

Fasciolopsis buski

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12
Q

2nd IH Fish: Mugil or Mullet, yellow perch

A

Heterophyes heterophyes

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13
Q

Laboratory diagnosis Fecalysis, vomitus examination

A

Fasciolopsis buski

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14
Q

Laboratory diagnosis Identification of eggs in stool

A

Heterophyes heterophyes

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15
Q

LUNG /PULMONARY FLUKE

A
  1. Paragonimus westermani
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16
Q

HEPATIC/ LIVER FLUKES

A

Clonorchis sinensis
Opistrochis felineus
Dicrocoelium dendriticum

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17
Q

Lung fluke

A

Paragonimus westermani

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18
Q

Oriental Lung Fluke

A

Paragonimus westermanii

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19
Q

Japan, Korea, China, Nepal, Philippines

A

Paragonimus westermani

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20
Q

Ova: operculated (flattened operculum)

A

Paragonimus westermani

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21
Q

Ova: ovoidal (80-120um)

A

Paragonimus westermani

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22
Q

Ova: yellowish-brown to dark or golden brown

A

Paragonimus westermani

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23
Q

Ova: immature - when laid in germ cell

A

Paragonimus westermani

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24
Q

Adult: reddish brown

A

Paragonimus westermani

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25
Q

active stage: spoon-shaped

A

Paragonimus westermani

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26
Q

preserved stage: coffee bean-shaped

A

Paragonimus westermani

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27
Q

Male - irregular lobed testes are oblique

A

Paragonimus westermani

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28
Q

Female - ovary is lobed

A

Paragonimus westermani

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29
Q

Vitellaria - located at the extreme lateral fields

A

Paragonimus westermani

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30
Q

Habitat: lung pockets

A

Paragonimus westermani

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31
Q

Infective stage: metacercaria

A

Paragonimus westermani

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32
Q

Diagnostic stage: eggs

A

Paragonimus westermani

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33
Q

1st IH: snail of genus Hua, Brotia asperata (Philippines)

A

Paragonimus westermani

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34
Q

2nd IH: freshwater crabs, Crayfish (genus Astracus, and Cambarus)

A

Paragonimus westermani

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35
Q

Disease/s: Paragoniamiasis/Pulmonary disturbances

A

Paragonimus westermani

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36
Q

Laboratory diagnosis: Eggs in sputum and feces, X-ray, Ab detection

A

Paragonimus westermani

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37
Q

Chinese Liver Fluke

A

Clonorchis sinensis

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38
Q

Oriental Liver Fluke

A

Clonorchis sinensis

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39
Q

Cat Liver Fluke

A

Opistorchis felineus

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40
Q

Lancet Fluke

A

Dicrocoelium dendriticum

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41
Q

Lanceolate Fluke

A

Dicrocoelium dendriticum

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42
Q

Distinct convex operculum

A

Clonorchis sinensis

Opistorchis felineus

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43
Q

Resembles “old fashion” electric bulb

A

Clonorchis sinensis

Opistorchis felineus

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44
Q

Ellipsoidal, brown to dark brown

A

Dicrocoelium dendriticum

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45
Q

Thick shelled with distinct operculum

A

Dicrocoelium dendriticum

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46
Q

Flat, transparent, elongated, rounded posteriorly, and attenuated anteriorly

A

Clonorchis sinensis

Opistorchis felineus

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47
Q

Slender, lancet shape, flat

A

Dicrocoelium dendriticum

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48
Q

Bile passages/bile ducts of fish-eating mammals

A
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49
Q

Distal ducts, pancreatic ducts

A

Opistorchis felineus

50
Q

Infective stage metacercaria

A

Opistorchis felineus
Dicrocoelium dendriticum

51
Q

1st IH Operculated snails

A

Clonorchis sinensis

52
Q

1st IH Snail - Bithynia leachi

A

Opistorchis felineus

53
Q

1st IH Land snails

A

Dicrocoelium dendriticum

54
Q

2nd IH Freshwater fish, freshwater vegetation

A

Clonorchis sinensis

55
Q

2nd IH Fishes

A

Opistorchis felineus

56
Q

2nd IH Ants

A

Dicrocoelium dendriticum

57
Q

Eggs in biliary drainage, Immunologic test, Liver scan

A

Clonorchis sinensis

58
Q

Fecalysis, eggs in duodenal aspirate

A

Opistorchis felineus

59
Q

Eggs in feces, bile, and duodenal fluid

A

Dicrocoelium dendriticum

60
Q

Sheep Liver Fluke

A

Fasciola hepatica

61
Q

Giant Liver Fluke

A

Fasciola gigantica

62
Q

Ova Same with F. buski

A

Fasciola hepatica

63
Q

Ova operculated

A

Fasciola hepatica

64
Q

Ova Same with F. hepatica

A

Fasciola gigantica

65
Q

Large broad and flat body

A

Fasciola hepatica

66
Q

Presence of cephalic cone: gives the shouldered appearance

A

Fasciola hepatica

67
Q

Adult Same with F. hepatica

A

Fasciola gigantica

68
Q

Immature flukes - duodenum

A

Fasciola hepatica

69
Q

1st IH Water snail

A

Fasciola hepatica

70
Q

1st IH Snail

A

Fasciola gigantica

71
Q

2nd IH Watercress

A

Fasciola hepatica
Fasciola gigantica

72
Q

DFS, ConTech, Sedimentation, Ab detection

A

Fasciola hepatica

73
Q

Laboratory diagnosis Same with F. hepatica

A

Fasciola gigantica

74
Q

Oriental blood fluke

A

S. Japonicum

75
Q

Visceral blood fluke

A

S. Japonicum

76
Q

Vesical blood fluke

A

S. haematobium

77
Q

Bladder fluke

A

S. haematobium

78
Q

Manson’s blood fluke

A

S. mansoni

79
Q

Superior mesenteric veins

A

S. Japonicum

80
Q

Veins of the urinary bladder

A

S. haematobium

81
Q

Inferior mesenteric veins

A

S. mansoni

82
Q

Oval to sub-spherical with minute lateral spine/knob or curve hook

A

S. Japonicum

83
Q

Ellipsoidal with prominent terminal spines

A

S. haematobium

84
Q

Ellipsoidal with prominent lateral spines

A

S. mansoni

85
Q

Appear in the feces 30-40 days after infection

A

S. mansoni

86
Q

Male - shorter but sturdier

A

S. Japonicum

87
Q

Male- 7 ovoidal testes arranged in a single row behind the acetabulum

A

S. Japonicum

88
Q

Male - union id ceca and testes is posterior to the middle half of the body

A

S. Japonicum

89
Q

Female - longer and slender

A

S. Japonicum

90
Q

Female- with a pyramid ovary located at the center of the body (50-100 eggs)

A

S. Japonicum

91
Q

Female- ovary at the posterior to middle of the body

A

S. haematobium

92
Q

Female- 20-30 ovaries

A

S. mansoni

93
Q

Male- 8-9 testes

A

S. mansoni

94
Q

Male- union of ceca is at the middle half of the body

A

S. mansoni

95
Q

Female- smallest schistosome

A

S. mansoni

96
Q

Female- ovary is at the anterior to the middle half of the body
(1-4 ova)

A

S. mansoni

97
Q

Oncomelania nupensis quadrasi (Philippines)

A

S. Japonicum

98
Q

Oncomelania nocophora (Japan)

A

S. Japonicum

99
Q

Oncomelania formosana (Taiwan)

A

S. Japonicum

100
Q

Biomphalaria (Africa)

A

S. haematobium

S. mansoni

101
Q

Bulimus (middle East)

A

S. haematobium

102
Q

Tropocorbis (South America)

A

S. mansoni

103
Q

Australorbis (South America)

A

S. mansoni

104
Q

Katayama disease

A

S. Japonicum

105
Q

Visceral or Oriental Schistosomiasis

A

S. Japonicum

106
Q

Vesical/Urinary Schistosomiasis

A

S. haematobium

107
Q

Schistosoma hematuria

A

S. haematobium

108
Q

Intestinal Bilharziasis

A

S. mansoni

109
Q

Schistosomal dysentery

A

S. mansoni

110
Q

China, Indonesia, the Philippines

A

S. Japonicum

111
Q

Africa, the Middle East, Corsica (France)

A

S. haematobium

112
Q

Africa, the Middle East, the Caribbean, Brazil, Venezuela, and Suriname

A

S. mansoni

113
Q

Infective stage Free-swimming cercariae

A

S. Japonicum

S. haematobium

S. mansoni

114
Q

Diagnostic stage Embryonated egg

A

S. Japonicum

S. haematobium

S. mansoni

115
Q

Eggs in stool or urine

116
Q

Stool:

A

S. mansoni or S. japonicum

117
Q

Urine:

A

S. haematobium

118
Q

: eggs may be passed intermittently or in small amounts

A

Formalin-Ethyl Acetate Technique

119
Q

: 20-50 mg fecal material; quantification of eggs

A

Kato-Katz technique

120
Q

may enhance the recovery of eggs for S. japonicum

A

Homogenization of the whole fecal sample

121
Q

: useful to indicate schistosome infection in patients who have traveled in schistosomiasis endemic areas and in whom eggs cannot be demonstrated in fecal or urine specimens.

A

Antibody detection

Clinical Parasitology Lab (7 decks)

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