Trematode Flashcards

1
Q

class of parasite which are flat, leaf-like, elongated and unsegmented

A

trematode/fluke

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2
Q

most distinguishing characteristic of adult trematodes

A

suckers (anterior end)

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3
Q

excretory system contains what type of cells

A

flame cells/solenocytes

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4
Q

TRUE/FALSE?

the trematode has incomplete alimentary canal

A

TRUE

mouth only, no anus

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5
Q

all require 2 IH except:

A

blood flukes (schistosoma)

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6
Q

what are the oriental liver blood, and lung flukes?

A

clonorchis
s. japonicum
paragonimus westermani

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7
Q

giant liver fluke is common name of what species

A

Fasciola hepatica

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8
Q

giant intestinal fluke is common name of what species

A

FASCIOLOPSIS buski

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9
Q

true/false?
ova of F. hepatica is ovoid;
ova of F. buski is ellipsoidal

A

TRUE

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10
Q

what type of intestine present in F. buski

A

unbrached simple but wavy

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11
Q

1st IH of F. hepatica

A

Lymnea philippinensis

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12
Q

2nd IH of F. hepatica

A

Ipomea spp.

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13
Q

the present stage in Halzuon-pharyngeal fasciolasis

A

ADULT (not metacercaria)

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14
Q

treatment for F. hepatica

A

BITHIONAOL

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15
Q

1ST IH of F. buski

A

Segmetina

Hippeutis

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16
Q

2nd IH of F. buski

A
(aquatic vegetation)
Nymphae
IPOMEA
Trapa
Eliocharis
17
Q

this trematode has adult parasite which appears as transparen, gray, and with tapering anteriorly and rounded posteriorly

A

Clonorchis sinensis

18
Q

the egg of Clonorchis appears as ____

A

old fashion electric bulb,

w/ comma shaped aboperculum

19
Q

1st IH of Clonorchis sinensis

A

Parafossarolus

20
Q

2nd IH of Clonorchis sinensis

A

Cyprinoid fishes

21
Q

RESERVOIR HOST of both Clonprchis and Opistorchis

A

cats, dogs, pigs and other mammals

22
Q

its adult parasite appears has lancet shape, reddish yellow

A

Opistorchis felineus

23
Q

in opistorchis, which one is smaller: ventral sucker or oral sucker?

A

ORAL SUCKER is smaller

24
Q

the shape of testis of Opistorchis is ___

a. branched
b. lobed
c. dendritic

A

LOBATE

–branched/dendritic is present in Clonorchis

25
Q

opistorchis felineus
1st IH
2nd IH

A

Bithynia (snail)

26
Q

new name of Echinostoma ilocanum

A

EUPARYPHIUM

27
Q

COMMON NAME of E. ilocanum

A

Garrison’s fluke

28
Q

1ST IH of E. ilocanum

A

Gryaulus convexiusculus

Hippeutis umbilicalis

29
Q

1st IH of Echinostoma ilocanum

A

Gyraulus convexlusculus,

Hippuetis umbilicalis

30
Q

2nd IH of Echinostoma ilocanum

A

Pila luzonica

Vivipara

31
Q

No. of suckers present in Heterophyes

A

3 (1 oral, 1 genital, 1 ventral)

32
Q

under heterophyid family, which parasite has 1 testis?

A

Haplorchis taichu

33
Q

heterophyid family has globulose ovary except:

A

Heterophyes (subglobulose)