Pharmacology of the Autonomic Nervous System Quiz
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Questions and Answers

Which of the following is true about the autonomic nervous system?

  • The sympathetic system is most active during periods of emotional and physical calm
  • The parasympathetic system is most active during periods of emotional and physical calm (correct)
  • The sympathetic system dominates during periods of emotional and physical calm
  • The parasympathetic system dominates during stressful events (fear & fight)

    • What is the anatomical area that serves as a functional junction between preganglionic and postganglionic neurons in the autonomic nervous system?

  • Peripheral nervous system
  • Effector organ
  • Ganglia
  • Synapse (correct)

    • Which regions do the sympathetic nerve fibers exit from in the autonomic nervous system?

  • Cranial and sacral portions
  • Thoracic and lumbar regions (correct)
  • Cervical and thoracic regions
  • Lumbar and sacral regions

    • Which branch of the autonomic nervous system dominates during periods of stressful events such as fear and fight?

    <p>Sympathetic system</p> Signup and view all the answers

    What type of receptors are alpha-1 receptors in the sympathetic nervous system?

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

    Where are the preganglionic neurons located in the autonomic nervous system?

    <p>In the CNS</p> Signup and view all the answers

    What are the two main branches of the autonomic nervous system?

    <p>Sympathetic and parasympathetic</p> Signup and view all the answers

    What is the role of the parasympathetic nervous system?

    <p>Most active during periods of emotional and physical calm</p> Signup and view all the answers

    What is the main function of the sympathetic nervous system?

    <p>Both excitatory effects in some organs and inhibitory effects in others</p> Signup and view all the answers

    What is the anatomical area that serves as a functional junction between preganglionic and postganglionic neurons in the autonomic nervous system?

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

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