The Autonomic Nervous System
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Questions and Answers

Which ganglion is an example of a prevertebral ganglion?

  • Adrenal medulla
  • Sympathetic ganglion
  • Thoracic spinal cord
  • Celiac ganglion (correct)

    • What is the specialized ganglion located in the adrenal medulla?

  • Celiac ganglion
  • Sympathetic ganglion
  • Adrenal medulla (correct)
  • Thoracic spinal cord

    • Which neurotransmitter is released by the axons of the adrenal medulla?

  • Dopamine
  • Epinephrine (correct)
  • Norepinephrine
  • Acetylcholine

    • What enzyme catalyzes the conversion of norepinephrine to epinephrine?

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

    Which region of the spinal cord are the cell bodies of the adrenal medulla located in?

    <p>Thoracic spinal cord</p> Signup and view all the answers

    What neurotransmitters are released by sympathetic postganglionic adrenergic nerves?

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

    Which tissue undergoes contraction in response to sympathetic adrenergic varicosities?

    <p>Blood vessels</p> Signup and view all the answers

    What is the overall function of the sympathetic nervous system?

    <p>To mobilize the body for activity</p> Signup and view all the answers

    Which cranial nerves give rise to preganglionic neurons of the parasympathetic division?

    <p>III, VII, IX</p> Signup and view all the answers

    Which spinal cord segments give rise to preganglionic neurons of the parasympathetic division?

    <p>Sacral spinal cord segments</p> Signup and view all the answers

    Which type of neuron releases norepinephrine as its neurotransmitter?

    <p>Adrenergic neuron</p> Signup and view all the answers

    What are the receptors for acetylcholine called?

    <p>Muscarinic receptors</p> Signup and view all the answers

    Which neurons release acetylcholine as their neurotransmitter?

    <p>Cholinergic neurons</p> Signup and view all the answers

    What type of neurons release peptides or nitric oxide as their neurotransmitter instead of acetylcholine?

    <p>Nonadrenergic, noncholinergic neurons</p> Signup and view all the answers

    What is the function of the somatic nervous system?

    <p>Controls voluntary movements of skeletal muscles</p> Signup and view all the answers

    What is the function of the autonomic nervous system?

    <p>Controls and modulates the functions of visceral organs</p> Signup and view all the answers

    What are the two neurons that make up each pathway in the autonomic nervous system?

    <p>Preganglionic neuron and cholinergic neuron</p> Signup and view all the answers

    What is the name given to the junctions between postganglionic autonomic neurons and their effectors?

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

    Which type of neuron synapses on postganglionic neurons in paravertebral ganglia?

    <p>Preganglionic neuron</p> Signup and view all the answers

    What type of innervation do sweat glands have?

    <p>Sympathetic cholinergic innervation</p> Signup and view all the answers

    Which neurotransmitter is released by sympathetic postganglionic adrenergic nerves?

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

    What is the name given to the junctions between postganglionic autonomic neurons and their effectors?

    <p>Neuroeffector junctions</p> Signup and view all the answers

    Which type of neuron releases norepinephrine as its neurotransmitter?

    <p>Postganglionic sympathetic neuron</p> Signup and view all the answers

    What type of innervation do sweat glands have?

    <p>Sympathetic cholinergic innervation</p> Signup and view all the answers

    What are the receptors for acetylcholine called?

    <p>Muscarinic receptors</p> Signup and view all the answers

    What are the two neurons that make up each pathway in the autonomic nervous system?

    <p>Preganglionic neuron and postganglionic neuron</p> Signup and view all the answers

    Which region of the spinal cord are the cell bodies of the adrenal medulla located in?

    <p>Thoracic region</p> Signup and view all the answers

    What is the function of the somatic nervous system?

    <p>Controls voluntary movements of skeletal muscles</p> Signup and view all the answers

    Which type of neurons release peptides or nitric oxide as their neurotransmitter instead of acetylcholine?

    <p>Postganglionic parasympathetic neurons</p> Signup and view all the answers

    Which tissue undergoes contraction in response to sympathetic adrenergic varicosities?

    <p>Smooth muscle</p> Signup and view all the answers

    Which ganglion is an example of a prevertebral ganglion?

    <p>Celiac ganglion</p> Signup and view all the answers

    What is the name given to the junctions between postganglionic autonomic neurons and their effectors?

    <p>Neuromuscular junctions</p> Signup and view all the answers

    What type of innervation do sweat glands have?

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

    What type of neurons release peptides or nitric oxide as their neurotransmitter instead of acetylcholine?

    <p>Parasympathetic cholinergic neurons</p> Signup and view all the answers

    What neurotransmitters are released by sympathetic postganglionic adrenergic nerves?

    <p>Epinephrine and norepinephrine</p> Signup and view all the answers

    What enzyme catalyzes the conversion of norepinephrine to epinephrine?

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

    What is the specialized ganglion located in the adrenal medulla?

    <p>Adrenal medulla ganglion</p> Signup and view all the answers

    What is the overall function of the sympathetic nervous system?

    <p>To mobilize the body for activity</p> Signup and view all the answers

    What is the function of the autonomic nervous system?

    <p>To regulate organ system functions</p> Signup and view all the answers

    Which region of the spinal cord are the cell bodies of the adrenal medulla located in?

    <p>Thoracic spinal cord</p> Signup and view all the answers

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