General Characteristics of Nematodes
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Questions and Answers

Which layer covers the body of nematodes?

  • Mesodermis
  • Endodermis
  • Hypodermis (correct)
  • Exodermis
  • What is the common name for Trichuris trichiura?

  • Hookworm
  • Whip worm (correct)
  • Tapeworm
  • Flatworm
  • What type of symmetry do nematodes exhibit?

  • Radial symmetry
  • Spherical symmetry
  • Asymmetry
  • Bilateral symmetry (correct)
  • How can nematode infection occur through the skin?

    <p>Skin penetration by infective larvae</p> Signup and view all the answers

    Which part of the female reproductive system in nematodes stores seminal fluid?

    <p>Seminal receptacle</p> Signup and view all the answers

    Which part of the male nematode reproductive system opens into the cloaca?

    <p>Ejaculatory duct</p> Signup and view all the answers

    What is the approximate length of an adult female Trichuris trichiura worm?

    <p>40-50 mm</p> Signup and view all the answers

    In which part of the human body does the adult Trichuris trichiura worm reside?

    <p>Large intestine</p> Signup and view all the answers

    Which part of the Trichuris trichiura worm is embedded in the mucosa of the large intestine?

    <p>The anterior portion</p> Signup and view all the answers

    What is the infective stage of the Trichuris trichiura worm for humans?

    <p>Embryonated eggs</p> Signup and view all the answers

    What is the approximate lifespan of the Trichuris trichiura worm?

    <p>5-10 years</p> Signup and view all the answers

    Which of the following is NOT a potential consequence of heavy or chronic Trichuris trichiura infection?

    <p>Liver damage</p> Signup and view all the answers

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