Helminths

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Questions and Answers

Which phylum includes the roundworms?

  • Phylum Platyhelminthes
  • Phylum Cestoda
  • Phylum Nematoda (correct)
  • Phylum Trematoda

Which helminth is the largest nematode intestinal parasite found in humans?

  • Trematoda
  • Cestoda
  • Ascaris lumbricoides (correct)
  • Enterobius vermicularis

Which helminth is the most prevalent helminthic infection?

  • Enterobius vermicularis (correct)
  • Cestoda
  • Trematoda
  • Ascaris lumbricoides

Which of the following is an example of an antihelminthic drug?

<p>Praziquantel (B)</p> Signup and view all the answers

What is the target of antihelminthic drugs?

<p>Nondividing organisms (C)</p> Signup and view all the answers

Which of the following is NOT an example of an antihelminthic drug?

<p>Amoxicillin (A)</p> Signup and view all the answers

Which phylum includes the hookworm and the filarial worm?

<p>Phylum Nematoda (B)</p> Signup and view all the answers

What is the main mode of transmission for hookworm infection?

<p>Walking barefoot in human feces (D)</p> Signup and view all the answers

Which class of Platyhelminthes includes the liver flukes?

<p>Class Trematoda (B)</p> Signup and view all the answers

What is the main mode of transmission for Schistosoma mansoni infection?

<p>Swimming in infected water (D)</p> Signup and view all the answers

Which phylum includes the roundworms and flatworms?

<p>Phylum Nematoda (B)</p> Signup and view all the answers

Which of the following is an example of a flatworm?

<p>Schistosoma mansoni (B)</p> Signup and view all the answers

What is the most prevalent helminthic infection?

<p>Pinworm disease (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of roundworms?

<p>Flat bodies (D)</p> Signup and view all the answers

Which helminth is the largest nematode intestinal parasite found in humans?

<p>Ascaris lumbricoides (D)</p> Signup and view all the answers

What is the main mode of transmission for pinworm disease?

<p>Nail biting (D)</p> Signup and view all the answers

Which class of Platyhelminthes includes the tapeworms?

<p>Cestoda (B)</p> Signup and view all the answers

What is the target of antihelminthic drugs?

<p>Helminthic infections (B)</p> Signup and view all the answers

What is the location of Enterobius vermicularis in the human body?

<p>Gastrointestinal tract (B)</p> Signup and view all the answers

What is the treatment for Ascariasis?

<p>Mebendazole (D)</p> Signup and view all the answers

Which of the following is a symptom of necatoriasis?

<p>Ulcer-like symptoms (D)</p> Signup and view all the answers

What is the main mode of transmission for trichinellosis?

<p>Eating undercooked pork (A)</p> Signup and view all the answers

Which host is affected by elephantiasis?

<p>Humans (C)</p> Signup and view all the answers

Which class of Platyhelminthes includes the gill flukes?

<p>Class Monogenea (D)</p> Signup and view all the answers

Which parasite uses mimicry to evade the host's immune system?

<p>Clonorchis sinensis (D)</p> Signup and view all the answers

What is the major effect of schistosomiasis?

<p>Damage to internal organs (C)</p> Signup and view all the answers

Which class of Platyhelminthes includes the tapeworms?

<p>Class Cestoda (C)</p> Signup and view all the answers

Which tapeworm infects humans through poorly cooked meat?

<p>Taenia solium (C)</p> Signup and view all the answers

What is the main mode of transmission for schistosomiasis?

<p>Swimming in infected water (C)</p> Signup and view all the answers

Which helminth is the largest nematode intestinal parasite found in humans?

<p>Necator americanus (C)</p> Signup and view all the answers

Which drug is an example of an antihelminthic that targets nondividing organisms?

<p>Albendazole (A)</p> Signup and view all the answers

What is the target of antihelminthic drugs?

<p>Dividing organisms (A)</p> Signup and view all the answers

Which drug is NOT an example of an antihelminthic drug?

<p>Metronidazole (C)</p> Signup and view all the answers

Which class of Platyhelminthes includes the liver flukes?

<p>Trematoda (C)</p> Signup and view all the answers

Which helminth causes the most prevalent helminthic infection?

<p>Roundworm (C)</p> Signup and view all the answers

What is the main mode of transmission for Schistosoma mansoni infection?

<p>Contaminated food and water (C)</p> Signup and view all the answers

Which phylum includes the roundworms and flatworms?

<p>Nematoda (C)</p> Signup and view all the answers

Which helminth is the largest nematode intestinal parasite found in humans?

<p>Roundworm (D)</p> Signup and view all the answers

Which of the following is an example of an antihelminthic drug?

<p>Praziquantel (B)</p> Signup and view all the answers

What is the main mode of transmission for hookworm infection?

<p>Skin penetration (A)</p> Signup and view all the answers

Which phylum includes the roundworms?

<p>Nematoda (A)</p> Signup and view all the answers

Which class of Platyhelminthes includes the tapeworms?

<p>Cestoda (C)</p> Signup and view all the answers

What is the main mode of transmission for pinworm disease?

<p>Food-borne (D)</p> Signup and view all the answers

What is the most prevalent helminthic infection?

<p>Pinworm disease (A)</p> Signup and view all the answers

Which helminth is the largest nematode intestinal parasite found in humans?

<p>Ascariasis (D)</p> Signup and view all the answers

What is the major effect of schistosomiasis?

<p>Elephantiasis (B)</p> Signup and view all the answers

Which of the following is an example of an antihelminthic drug?

<p>Mebendazole (A)</p> Signup and view all the answers

Which host is affected by elephantiasis?

<p>Humans (D)</p> Signup and view all the answers

What is the target of antihelminthic drugs?

<p>Parasitic infections (A)</p> Signup and view all the answers

Which tapeworm infects humans through poorly cooked meat?

<p>Taenia solium (B)</p> Signup and view all the answers

Which drug is used to target nondividing organisms?

<p>Praziquantel (C)</p> Signup and view all the answers

Which drug is commonly used to treat tapeworm infection in humans?

<p>Mebendazole (C)</p> Signup and view all the answers

Which drug is an example of an avermectin antihelminthic?

<p>Ivermectin (D)</p> Signup and view all the answers

Which drug is NOT an example of an antihelminthic drug?

<p>Ibuprofen (C)</p> Signup and view all the answers

Which parasite uses mimicry to evade the host's immune system?

<p>Filarial worm (A)</p> Signup and view all the answers

Which phylum includes the roundworms?

<p>Nematoda (D)</p> Signup and view all the answers

Which class of Platyhelminthes includes the tapeworms?

<p>Cestoda (A)</p> Signup and view all the answers

What is the main mode of transmission for Schistosoma mansoni infection?

<p>Contaminated food and water (A)</p> Signup and view all the answers

What is the largest nematode intestinal parasite found in humans?

<p>Ascaris (C)</p> Signup and view all the answers

Where is Enterobius vermicularis located in the human body?

<p>Intestines (A)</p> Signup and view all the answers

Which nematode parasite causes anemia and ulcer-like symptoms in humans?

<p>Necator americanus (D)</p> Signup and view all the answers

Which nematode parasite causes intestinal pain, vomiting, and constipation in pigs?

<p>Trichinella spiralis (D)</p> Signup and view all the answers

Which nematode parasite causes gross swelling of lymphatic tissues in humans?

<p>Wuchereria bancrofti (C)</p> Signup and view all the answers

Which class of Platyhelminthes includes the liver flukes?

<p>Trematoda (B)</p> Signup and view all the answers

Which class of Platyhelminthes includes the gill flukes?

<p>Monogenea (B)</p> Signup and view all the answers

Which class of Platyhelminthes includes the tapeworms?

<p>Cestoda (C)</p> Signup and view all the answers

Which class of Platyhelminthes includes the Bedford's flatworm?

<p>Turbellaria (A)</p> Signup and view all the answers

Which trematode parasite is known as the Chinese liver fluke?

<p>Clonorchis sinensis (D)</p> Signup and view all the answers

Which trematode parasite causes chronic illness and damage to internal organs in humans?

<p>Schistosoma mansoni (D)</p> Signup and view all the answers

Which cestode parasite infects humans through poorly cooked meat?

<p>Taenia saginata (A)</p> Signup and view all the answers

Flashcards

Roundworm Phylum

Roundworms belong to the phylum Nematoda.

Roundworm Body Plan

Roundworms are characterized by their non-flat, non-segmented body structure.

Largest Nematode Intestinal Parasite

Ascaris lumbricoides is the largest nematode intestinal parasite affecting humans.

Most Prevalent Helminthic Infection

Ascaris lumbricoides represents the most common helminthic infection worldwide.

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Antihelminthic Drug Example

Mebendazole is an antihelminthic drug.

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Antihelminthic Drug Target

Antihelminthic drugs affect the parasite's metabolism, neuromuscular function, or structure.

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Hookworm/Filarial Worm Phylum

Hookworms and filarial worms are members of the phylum Nematoda.

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Hookworm Transmission

Hookworm infection typically occurs through skin penetration.

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Platyhelminthes Classes

Trematodes (flukes) and cestodes (tapeworms) are classes within Platyhelminthes.

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Schistosoma mansoni Transmission

Schistosoma mansoni infection occurs via skin penetration by cercariae.

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Roundworms vs. Flatworms Phylums

Roundworms are in the phylum Nematoda; flatworms are in Platyhelminthes.

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Flatworm Example

Tapeworms exemplify flatworms.

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Pinworm Transmission

Pinworm disease spreads through ingestion of contaminated food and water.

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Elephantiasis Host

Humans are notably affected by elephantiasis.

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Avermectin Antihelminthic

Ivermectin is an example of an avermectin antihelminthic drug.

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Ascariasis Treatment

Mebendazole is used in the treatment of ascariasis.

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Necatoriasis Symptom

Abdominal pain is a symptom of necatoriasis.

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Trichinellosis Transmission

Trichinellosis transmits through consuming undercooked pork.

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Schistosoma mansoni Mimicry

Schistosoma mansoni employs mimicry to evade the host's immune response.

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Schistosomiasis Effects

Schistosomiasis causes chronic illness and internal organ damage.

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Enterobius Vermicularis Location

Enterobius vermicularis resides in the large intestine of humans.

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Taenia Saginata Infection

Taenia saginata infects humans via undercooked meat.

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Study Notes

Phylum of Roundworms

  • Roundworms belong to the phylum Nematoda.

Characteristics of Roundworms

  • Roundworms are not flat or segmented.

Largest Nematode Intestinal Parasite

  • Ascaris lumbricoides is the largest nematode intestinal parasite found in humans.

Most Prevalent Helminthic Infection

  • Ascaris lumbricoides is the most prevalent helminthic infection.

Antihelminthic Drugs

  • Mebendazole is an example of an antihelminthic drug.
  • The target of antihelminthic drugs is the parasite's metabolic processes, neuromuscular function, or structural integrity.

Hookworm and Filarial Worm

  • Hookworm and filarial worm belong to the phylum Nematoda.

Hookworm Infection

  • The main mode of transmission for hookworm infection is through skin penetration.

Classes of Platyhelminthes

  • Trematodes include the liver flukes.
  • Cestodes include the tapeworms.

Schistosoma mansoni Infection

  • The main mode of transmission for Schistosoma mansoni infection is through skin penetration by cercariae.

Phylum of Roundworms and Flatworms

  • Roundworms and flatworms belong to the phylum Nematoda and Platyhelminthes, respectively.

Examples of Flatworms

  • Tapeworms are an example of a flatworm.

Pinworm Disease

  • The main mode of transmission for pinworm disease is through the ingestion of contaminated food and water.

Elephantiasis

  • Humans are affected by elephantiasis.

Antihelminthic Drug Target

  • The target of antihelminthic drugs is the parasite's metabolic processes, neuromuscular function, or structural integrity.

Avermectin Antihelminthic

  • Ivermectin is an example of an avermectin antihelminthic.

Treatment for Ascariasis

  • Mebendazole is used to treat Ascariasis.

Symptom of Necatoriasis

  • Abdominal pain is a symptom of necatoriasis.

Trichinellosis

  • The main mode of transmission for trichinellosis is through the ingestion of undercooked pork.

Gill Flukes

  • Gill flukes belong to the class Monogenea.

Mimicry

  • Schistosoma mansoni uses mimicry to evade the host's immune system.

Schistosomiasis

  • The major effect of schistosomiasis is chronic illness and damage to internal organs in humans.

Location of Enterobius Vermicularis

  • Enterobius vermicularis is located in the large intestine of humans.

Tapeworm Infection

  • Taenia saginata is a tapeworm that infects humans through poorly cooked meat.

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