Autonomic Nervous System: Chapter 15.1 Quiz
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of synapse involves the release of norepinephrine to alpha or beta receptors?

  • Nicotinic
  • Muscarinic
  • Adrenergic (correct)
  • Cholinergic

    • What is the second signaling molecule in the adrenergic synapse?

  • Epinephrine (correct)
  • Serotonin
  • Acetylcholine
  • Dopamine

    • Which type of reflex involves a completely peripheral, local response with the synapse in the ganglia?

  • Long reflex
  • Somatic reflex
  • Short reflex (correct)
  • Autonomic reflex

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

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

    Without the parasympathetic signal, what would the heart rate be?

    <p>100 bpm (B)</p> Signup and view all the answers

    Which type of synapse involves the release of Ach to either nicotinic or muscarinic receptors?

    <p>Cholinergic (D)</p> Signup and view all the answers

    Where do sympathetic signals come from in the thoracolumbar system?

    <p>Both thoracic and superior lumbar nerves (D)</p> Signup and view all the answers

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

    <p>To process signals for the enteric nervous system (B)</p> Signup and view all the answers

    What is the main difference between preganglionic fibers in sympathetic and parasympathetic divisions?

    <p>Degree of myelination (B)</p> Signup and view all the answers

    What is the role of the adrenal medulla in the sympathetic division?

    <p>To release molecules for immediate response (D)</p> Signup and view all the answers

    Where are the terminal ganglia located in the parasympathetic division?

    <p>On or near the target effector (C)</p> Signup and view all the answers

    In which system are the collateral ganglia found?

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

    Which region of the brain is responsible for regulating autonomic and endocrine function?

    <p>Hypothalamus (A)</p> Signup and view all the answers

    What is the effect of nicotine on the autonomic nervous system?

    <p>Increases blood pressure (C)</p> Signup and view all the answers

    Which brain region is strongly connected to the hypothalamus and responsible for emotion and memory function?

    <p>Amygdala (C)</p> Signup and view all the answers

    What is the function of sympathomimetic drugs?

    <p>Increase norepinephrine production and release (D)</p> Signup and view all the answers

    Which part of the brain serves as the control center for many homeostatic mechanisms?

    <p>Hypothalamus (A)</p> Signup and view all the answers

    What does an exogenous chemical refer to?

    <p>Substance introduced from outside the body (C)</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser