Parasympathetic Nervous System Anatomy and Function Quiz
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Questions and Answers

What is the function of the postganglionic fibers running in the short ciliary nerves?

  • Dilation of the pupil
  • Contraction of the dilator pupillae
  • Contraction of the constrictor pupillae (correct)
  • Contraction of the ciliary muscle
  • Where do the preganglionic fibers supplying the lacrimal and nasal glands relay?

  • Superior salivary nucleus
  • Ciliary ganglion
  • Sphenopalatine ganglion (correct)
  • Edinger-Westphal nucleus
  • Which nuclei do the motor nuclei of some cranial nerves (III, VII, IX, and X) arise from?

  • Sphenopalatine ganglion
  • Edinger-Westphal nucleus (correct)
  • Superior salivary nucleus
  • Lateral horn cells of sacral segments
  • What is the function of the ciliary muscle when it contracts?

    <p>Causing increased power of the lens</p> Signup and view all the answers

    Where do the preganglionic fibers supplying the submaxillary gland arise from?

    <p>Superior salivary nucleus</p> Signup and view all the answers

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