Liver, intestinal, lung flukes Flashcards

1
Q

Phase in the lifecycle which is found in the 2nd IH

A

Metacercaria

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2
Q

Lifecycle of flukes

A

Complex

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3
Q

1st IH of flukes are always __

A

Snails

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4
Q

Modified T/F: MOT of all flukes are via ingestion

A

F

Schistosomes via skin penetration

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5
Q

Only trematode with snails as both 1st & 2nd IH

A

Echinostoma ilocanum

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6
Q

Diagnostic stage of fasciolas

A

Unembryonated egg

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7
Q

Diagnostic stage of opistorchis

A

Embryonated egg

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8
Q

Diagnostic of clonorchis

A

Embryonated egg

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9
Q

2nd IH of clonorchis

A

Fresh water fish

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10
Q

2nd IH of opistorchis

A

Fresh water fish

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11
Q

2nd IH of dicrocoelium dendriticum

A

Ant

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12
Q

2nd IH of fasciola

A

Aquatic plant (watercress, kangkong)

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13
Q

Final host of opistorchis felineus

A

Cats

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14
Q

2nd IH of h. Heterophyes

A

Fish

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15
Q

Smallest trematode

A

H. Heterophyes

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16
Q

Final host of intestinal flukes

A

Man

17
Q

2 intestinal flukes that show hen’s egg appearance

A

F. buski, e. ilocanum

18
Q

No abopercular thickening

A

H. hetrophyes

19
Q

2nd IH of westermani

A

Crab (sudathelphusa philippina)

20
Q

Lung fluke adult morphology

A

Coffee bean, found in pairs or in 3’s in fibrotic capsules

21
Q

Lung fluke egg morphology

A

Abopercular thickening

22
Q

Infective stage of westermani

A

Metacercaria

23
Q

MOT of westermani

A

Ingestion

24
Q

Diagnostic stage of westermani

A

Unembryonated egg