Autonomic Nervous System and Ganglia Quiz
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Questions and Answers

Which of the following is true about mydriasis?

  • It causes pupil constriction and contraction of ciliary muscle
  • It involves pupil dilatation and relaxation of ciliary muscle (correct)
  • It results in pupil constriction and relaxation of ciliary muscle
  • It leads to pupil dilatation and contraction of ciliary muscle

    • What effect does sympathetic discharge have on the pupil?

  • It has no effect on the size of the pupil
  • It causes rapid blinking of the eyelids
  • It dilates the pupil to allow more light into the eye (correct)
  • It constricts the pupil to reduce light entering the eye

    • What is the function of parasympathetic fibers III, VII, IX in relation to salivary secretion?

  • They increase salivary secretion (correct)
  • They regulate sweat secretion instead of salivary secretion
  • They have no effect on salivary secretion
  • They decrease salivary secretion

    • What happens to cerebral blood flow when there is vasoconstriction due to sympathetic discharge?

    <p>Cerebral blood flow increases despite vasoconstriction</p> Signup and view all the answers

    What effect does facial nerve (7th) stimulation have on submandibular gland?

    <p>It stimulates submandibular gland secretion</p> Signup and view all the answers

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