Classification of Nervous System Overview
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Questions and Answers

Which part of the brain acts as a gatekeeper, filtering sensory information?

  • Reticular activating system (RAS) (correct)
  • Pituitary gland
  • Medulla oblongata
  • Cerebellum
  • What is the primary function of the medulla oblongata?

  • Regulating vital visceral activities like heart rate and breathing (correct)
  • Controlling the release of hormones like oxytocin and ADH
  • Regulating fine movement coordination
  • Maintaining balance and equilibrium
  • Which part of the brain is responsible for maintaining muscle tone and sense of body position?

  • Cerebellum (correct)
  • Medulla oblongata
  • Midbrain
  • Pons
  • What is the primary function of the diencephalon?

    <p>Maintaining homeostasis through the endocrine system</p> Signup and view all the answers

    Which part of the brain stem is described as being the size of a thumb in diameter and approximately 3 inches long?

    <p>The entire brain stem</p> Signup and view all the answers

    What is the primary symptom of a midline cerebellar lesion affecting the vermis?

    <p>Broad-based stance when walking, mimicking an inebriated individual</p> Signup and view all the answers

    Which hormone is regulated by the diencephalon through the pituitary gland?

    <p>Oxytocin</p> Signup and view all the answers

    Which cranial nerves arise from the brain stem?

    <p>All of the above</p> Signup and view all the answers

    Which part of the brain is primarily responsible for maintaining balance and equilibrium?

    <p>Cerebellum</p> Signup and view all the answers

    What is the primary function of the reticular activating system (RAS)?

    <p>Controlling consciousness and the awake/sleep cycles</p> Signup and view all the answers

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