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

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

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

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

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

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

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

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

<p>Large intestine (A)</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 (C)</p> Signup and view all the answers

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

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

What is the approximate lifespan of the Trichuris trichiura worm?

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

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