Autonomic Nervous System Chapter 15.1 Quiz
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Questions and Answers

Which division of the autonomic nervous system is responsible for the 'rest and digest' response?

  • Parasympathetic division (correct)
  • Thoracolumbar division
  • Enteric division
  • Sympathetic division

    • Where do sympathetic signals originate from in the thoracolumbar system?

  • Pituitary gland
  • Hypothalamus
  • Spinal cord (correct)
  • Cerebellum

    • What is the function of the collateral ganglia in the sympathetic division of the ANS?

  • To connect with the enteric nervous system (correct)
  • To innervate the skeletal muscles
  • To receive signals from the parasympathetic division
  • To regulate heart rate and digestion

    • Which type of fiber is longer in the parasympathetic division of the ANS?

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

    What is the function of the adrenal medulla in the sympathetic division of the ANS?

    <p>Releasing hormones directly into blood circulation</p> Signup and view all the answers

    Where do preganglionic fibers in the parasympathetic division lead to?

    <p>Terminal ganglia</p> Signup and view all the answers

    What are the two types of synapses mentioned in the text?

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

    Which type of receptor is activated by Ach in the cholinergic synapse?

    <p>Nicotinic receptor</p> Signup and view all the answers

    What is the second signaling molecule in the adrenergic synapse?

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

    Which nervous system has a short reflex based on distention of the stomach?

    <p>Enteric nervous system</p> Signup and view all the answers

    What is the conscious perception of autonomic sensation known as?

    <p>Referred pain</p> Signup and view all the answers

    What would be the heart rate without the parasympathetic signal to slow it down?

    <p>$100$ bpm</p> Signup and view all the answers

    What is the role of the hypothalamus?

    <p>Regulating autonomic and endocrine function</p> Signup and view all the answers

    How does nicotine affect the autonomic nervous system?

    <p>Depolarizes nicotinic receptor synapses without ACh present</p> Signup and view all the answers

    What do sympathomimetic drugs do?

    <p>Enhance adrenergic function by binding to receptors</p> Signup and view all the answers

    Which structure is responsible for emotion and memory function?

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

    What is the effect of a bright light in one eye on the pupils?

    <p>Both pupils constrict</p> Signup and view all the answers

    What is the effect of sympatholytic drugs?

    <p>Interrupt sympathetic effects by blocking adrenergic receptors</p> Signup and view all the answers

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