Parasitology infective stages Flashcards

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1
Q

Identify Giardia lamblia: infective stage / diagnostic stage

A

cysts / trophozoite and cysts

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2
Q

Identify: Plasmodium: infective stage / diagnostic stage

A

sporozoites / trophozoites

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3
Q

Identify: Toxoplasma gondii: infective stage / diagnostic stage

A

oocyst / trophozoites (bradyzoites)

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4
Q

Identify: Trypanosoma cruzi: infective stage / diagnostic stage

A

metacyclic tryptomastigotes / tryptomastigotes in blood

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5
Q

Identify: Hookworms: infective stage / diagnostic stage

A

filariform larvae / eggs in feces

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6
Q

Identify: Filarial worms: infective stage / diagnostic stage

A

3rd larval stage / microfilariae

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7
Q

Identify: Cryptosporidium parvum: infective stage / diagnostic stage

A

both: thick-walled oocysts

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8
Q

Identify: Trypanosoma brucei: infective stage / diagnostic stage

A

metacyclic trypomastigotes / trypomastigotes in blood

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9
Q

Identify: Ascaris lumbricoides: infective stage / diagnostic stage

A

embryonated egg / unembryonated egg

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10
Q

Identify: Trichuris trichiura: infective stage / diagnostic stage

A

embryonated egg / unembryonated egg

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11
Q

Identify: Enterobius vermicularis: infective stage / diagnostic stage

A

embryonated egg / eggs on perianal folds

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12
Q

Identify: Strongyloides stercoralis: infective stage / diagnostic stage

A

filariform larvae / rhabditiform larvae

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13
Q

Identify: Capillaria philippinensis: infective stage / diagnostic stage

A

infective larvae / unembryonated egg

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14
Q

Identify: Trichinella spiralis: infective stage / diagnostic stage

A

encysted larvae (both)

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15
Q

Identify: Schistosoma japonicum: infective stage / diagnostic stage

A

cercariae / eggs in feces

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16
Q

Identify: Trichomonas vaginalis: infective stage / diagnostic stage

A

both: trophozoites

17
Q

Identify: Paragonimus westermani: infective stage / diagnostic stage

A

metacercaria / unembryonated egg

18
Q

Identify: Clonorchis sinensis: infective stage / diagnostic stage

A

metacercariae / embryonated egg

19
Q

Identify: Diphyllobothrium latum: infective stage / diagnostic stage

A

plerocercoid larvae / unembryonated egg

20
Q

Identify: Echinococcus granulosus: infective stage / diagnostic stage

A

embryonated eggs / hydatid cysts

21
Q

Identify: Capillaria philippinensis: intermediate host / definitive host

A

migratory birds and fish / humans