Brain Stem Anatomy

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Questions and Answers

Which part of the brain stem serves as the center for auditory and visual reflexes?

  • Midbrain (correct)
  • Medulla oblongata
  • Cerebellum
  • Pons

Which cranial nerves originate in the pons?

  • V through VIII (correct)
  • IX through XII
  • III and IV
  • VIII and IX

What function does the medulla oblongata regulate?

  • Visual reflexes
  • Coughing and sneezing
  • Auditory reflexes
  • Blood pressure and heart rate (correct)

Where does the reticular formation, responsible for arousal and the sleep-wake cycle, begin?

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

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Study Notes

Brain Stem Functions

  • The midbrain serves as the center for auditory and visual reflexes.
  • Cranial nerves V, VI, VII, and VIII originate in the pons.
  • The medulla oblongata regulates involuntary functions such as breathing, heart rate, and digestion.
  • The reticular formation, responsible for arousal and the sleep-wake cycle, begins in the midbrain and extends to the thalamus.

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