Autonomic Nervous System: Chapter 15.1 Quiz
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Autonomic Nervous System: Chapter 15.1 Quiz

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Questions and Answers

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

  • Sympathetic and parasympathetic (correct)
  • Intramural and terminal
  • Thoracolumbar and cranial
  • Preganglionic and postganglionic

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

  • Intramural ganglia
  • Celiac and superior mesenteric ganglia
  • Collateral ganglia
  • Thoracic and superior lumbar nerves (correct)

    • Which part of the autonomic nervous system is responsible for the 'fight or flight' response?

  • Parasympathetic division
  • Sympathetic division (correct)
  • Intramural ganglia
  • Terminal ganglia

    • Where does a preganglionic fiber lead to in the parasympathetic division?

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

    Which part of the autonomic nervous system gets a direct connection from preganglionic fibers to release molecules?

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

    Where do postganglionic fibers in the parasympathetic division tend to be located?

    <p>Shorter</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

    In the cholinergic synapse, which type of receptor does acetylcholine act on?

    <p>Nicotinic and G protein receptors</p> Signup and view all the answers

    Which branch of the autonomic system has baroreceptors to react to a stretch stimuli in the aorta and carotid arteries?

    <p>Afferent branch</p> Signup and view all the answers

    In the autonomic reflexes, 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 type of reflex is completely peripheral and has the synapse in the ganglia?

    <p>Short reflex</p> Signup and view all the answers

    Which of the following is NOT a function of the hypothalamus?

    <p>Processing visual information</p> Signup and view all the answers

    Which part of the brain is responsible for emotion and memory function?

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

    What effect does nicotine have on the autonomic nervous system?

    <p>Has a sympathetic effect, increasing blood pressure and affecting heart rhythm</p> Signup and view all the answers

    Which drugs enhance adrenergic function by binding to receptors, increasing norepinephrine production and release, and/or blocking removal of norepinephrine?

    <p>Both A and B</p> Signup and view all the answers

    Which statement about somatic reflexes is FALSE?

    <p>They are controlled by the hypothalamus</p> Signup and view all the answers

    What is the role of the medial forebrain bundle and dorsal longitudinal fasciculus in the context of the hypothalamus?

    <p>Facilitating communication between different parts of the brain</p> Signup and view all the answers

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