Parasitic Worms: Routes of Transmission and Types

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Questions and Answers

What is the primary mode of transmission for parasitic worms?

  • Through contaminated food, water, or soil (correct)
  • Through vectors like mosquitoes
  • Through direct human contact
  • Through airborne particles

What is the classification of liver or lung flukes?

  • Nematodes
  • Platyhelminthes
  • Cestodes
  • Trematodes (correct)

Which of the following is NOT a type of Nematode?

  • Ascaris lumbricoides
  • Tapeworm (correct)
  • Trichuris trichiura
  • Enterobius vermicularis

Where do Cestodes typically live in the human body?

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

What is another name for Necator americanus?

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

What is a common route of transmission for parasitic worms?

<p>Through contaminated food, water, or soil (C)</p> Signup and view all the answers

What type of parasitic worm is Trichuris trichiura?

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

Where do tapeworms typically live in the human body?

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

What is another name for Enterobius vermicularis?

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

Which of the following is a type of Trematode?

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

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Study Notes

Parasitic Worms (Helminths)

  • Common routes of transmission include contaminated food, water, or soil.

Classification of Helminths

  • Platyhelminthes (Flatworms) include two subclasses: Trematodes and Cestodes.
  • Trematodes: Flukes, such as liver or lung flukes.
  • Cestodes: Tapeworms, living in the intestines.

Nematodes (Roundworms)

  • Include Ascaris lumbricoides, a type of roundworm.
  • Trichuris trichiura, a type of whipworm, is also a Nematode.
  • Enterobius vermicularis, also known as pinworm, is a type of Nematode.
  • Necator americanus, also known as hookworm, is a type of Nematode.

Parasitic Worms (Helminths)

  • Common routes of transmission include contaminated food, water, or soil.

Classification of Helminths

  • Platyhelminthes (Flatworms) include two subclasses: Trematodes and Cestodes.
  • Trematodes: Flukes, such as liver or lung flukes.
  • Cestodes: Tapeworms, living in the intestines.

Nematodes (Roundworms)

  • Include Ascaris lumbricoides, a type of roundworm.
  • Trichuris trichiura, a type of whipworm, is also a Nematode.
  • Enterobius vermicularis, also known as pinworm, is a type of Nematode.
  • Necator americanus, also known as hookworm, is a type of Nematode.

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