Classification of Helminthes: Platyhelminths, Nematodes, Trematodes, and Cestodes

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What is the definitive host for Diphyllobothrium latum?

Dogs

Man (correct)

Ctenocephalus fleas

Cats

Which morphological feature distinguishes Diphyllobothrium latum from other helminths?

Multiple suckers on the scolex

Presence of hooks on the scolex

Lack of genital pores on proglottids

Presence of a rostellum with 7 rows of spines (correct)

Which stage in the life cycle of Diphyllobothrium latum is infective to humans?

Embryo in eggs

Gravid proglottids

Adult worm in the intestine

Cysticercoid larva in fleas (correct)

What is the typical clinical presentation of a Diphyllobothrium latum infection in humans?

Actively motile proglottids in stools Signup and view all the answers

How is a Diphyllobothrium latum infection diagnosed?

Detection of eggs in stool samples Signup and view all the answers

Which of the following statements about the life cycle of Diphyllobothrium latum is true?

Humans can directly ingest the eggs to get infected. Signup and view all the answers

Which one of the following is the definitive host for Diphyllobothrium latum?

Man Signup and view all the answers

What is the recommended treatment for the early stages of Echinococcus granulosus infection?

PAIR (puncture, aspiration, injection, and reaspiration) Signup and view all the answers

Which of the following is the diagnostic stage for Dipylidium caninum infection?

Gravid proglottids or eggs Signup and view all the answers

What is the characteristic morphological feature of the Diphyllobothrium latum tapeworm?

Large scolex, no suckers, no hooks, ivory color Signup and view all the answers

Which of the following is the mode of transmission for Dipylidium caninum infection?

Ingestion of flea harboring cysticercoid larva Signup and view all the answers

What is the characteristic feature of the D-egg of Echinococcus granulosus?

Oval, operculated, and has a hexacanth embryo Signup and view all the answers

Which of the following is the infective stage of Diphyllobothrium latum?

Plerocercoid Signup and view all the answers

What is the definitive host for Diphyllobothrium latum?

Humans Signup and view all the answers

Which of the following statements about the morphology of Diphyllobothrium latum is correct?

Its eggs are oval, operculated, and have a hexacanth embryo Signup and view all the answers

What is the recommended treatment for Diphyllobothrium latum infection?

Niclosamide Signup and view all the answers

Which of the following is a clinical manifestation of Diphyllobothrium latum infection?

Vitamin B12 deficiency Signup and view all the answers

Which of the following statements about the life cycle of Diphyllobothrium latum is correct?

The second intermediate host is a freshwater fish Signup and view all the answers

Classification of Helminthes: Platyhelminths, Nematodes, Trematodes, and Cestodes

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Questions and Answers

What is the definitive host for Diphyllobothrium latum?

Which morphological feature distinguishes Diphyllobothrium latum from other helminths?

Which stage in the life cycle of Diphyllobothrium latum is infective to humans?

What is the typical clinical presentation of a Diphyllobothrium latum infection in humans?

How is a Diphyllobothrium latum infection diagnosed?

Which of the following statements about the life cycle of Diphyllobothrium latum is true?

Which one of the following is the definitive host for Diphyllobothrium latum?

What is the recommended treatment for the early stages of Echinococcus granulosus infection?

Which of the following is the diagnostic stage for Dipylidium caninum infection?

What is the characteristic morphological feature of the Diphyllobothrium latum tapeworm?

Which of the following is the mode of transmission for Dipylidium caninum infection?

What is the characteristic feature of the D-egg of Echinococcus granulosus?

Which of the following is the infective stage of Diphyllobothrium latum?

What is the definitive host for Diphyllobothrium latum?

Which of the following statements about the morphology of Diphyllobothrium latum is correct?

What is the recommended treatment for Diphyllobothrium latum infection?

Which of the following is a clinical manifestation of Diphyllobothrium latum infection?

Which of the following statements about the life cycle of Diphyllobothrium latum is correct?

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