Nervous System Divisions and Functions Quiz
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Questions and Answers

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

  • Ganglionic and neuroeffector
  • Parasympathetic and sympathetic (correct)
  • Central and peripheral
  • Somatic and autonomic

    • Where do synapses occur in the parasympathetic division?

  • In ganglia near the spinal cord
  • In ganglia near the effector site
  • Near the effector site (correct)
  • Near the spinal cord

    • What is the function of adrenergic drugs?

  • Inhibit NE levels in the nerve ending
  • Block ACH receptor or prevent ACH release
  • Stimulate parasympathetic response
  • Mimic sympathetic action and stimulate NE release (correct)

    • Which receptor type do alpha-blockers act on?

    <p>Alpha-receptors</p> Signup and view all the answers

    What is the main clinical effect of beta-adrenergic drugs?

    <p>Increasing heart rate and stimulating cardiac contractions</p> Signup and view all the answers

    What is the overall effect of the parasympathetic division when the body is at rest?

    <p>Controls and stimulates digestion, waste elimination, and genitourinary system</p> Signup and view all the answers

    Which enzyme metabolizes excess ACH in the parasympathetic nerve ending?

    <p>Acetylcholinesterase (ACHE)</p> Signup and view all the answers

    Where are nicotinic-1 (N1) receptors located?

    <p>All autonomic nervous system ganglion sites</p> Signup and view all the answers

    What is the mechanism of action of cholinergic drugs?

    <p>Possible drug–receptor interactions: Stimulate muscarinic receptor, producing cholinergic effect</p> Signup and view all the answers

    What do anticholinergic drugs do?

    <p>Block ACH receptor sites</p> Signup and view all the answers

    What is the clinical indication for anticholinergic drugs?

    <p>Depends on specific receptors affected</p> Signup and view all the answers

    Which receptors do beta-blocking drugs block?

    <p>Beta-receptors</p> Signup and view all the answers

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