Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
Publisher: WILEY
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Chapter 15, Problem 13CP
Summary Introduction
To review:
The reason as to why the parasympathetic division of the autonomic nervous system is called energy conservation or restoration system.
Introduction:
The parasympathetic division of the autonomic nervous system (ANS) is involved with the rest-and-digest responses. The parasympathetic responses that dominate during the intervals between the periods of rest and exercise help in the conservation of the body energy.
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Why is the parasympathetic division of the ANS sometimes referred to as the anabolic system?
What are the subcategories of the ANS?
What are the two divisions of the ANS? How do they functionally differ from each other?
Chapter 15 Solutions
Principles of Anatomy and Physiology
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- Choose the correct division of the ANS that generates the following results: S = sympathetic; P = parasympathetic. 11. sweaty palms 12. blushing 13. urination 14. stomach churning 15. salivary gland secretion 16. constriction of pupils 17. increased blood pressure 18. increased respiration 19. decreased heart rate 20. digestive enzyme secretionsarrow_forwardWhat are the functions of the ANS?arrow_forwardDescribe the basic differences between the parasympathetic and sympathetic divisions of the ANSarrow_forward
- Explain how the two divisions of the ANS interact when they both innervate the same organ.arrow_forwardIn terms of neurotransmitters and receptors, explain why the two divisions of the ANS can have contrasting effects on the same organs?arrow_forwardGive two exceptions to the generalization that organs areinnervated by both divisions of the ANS.arrow_forward
- Which part of the brain is the main integration center of the ANS? Which part exerts the most direct influence over autonomic functions?arrow_forwardIn terms of neurotransmitters and receptors, explain how the two divisions of the ANS can have contrasting effects on the same organ.arrow_forwardThe ANS is subdivided into sympathetic and parasympathetic divisions. Review the differences between these two divisions by filling in the table below: Characteristic Sympathetic or Parasympathetic? Calms you down — "rest and digest" ["", ""] Pumps you up — "fight or flight" ["", ""] Preganglionic neuron long, postganglionic neuron short ["", ""] Preganglionic neuron short, postganglionic neuron long ["", ""] Arises from cranial or sacral spinal nerves ["", ""] Arises from spinal nerves T1-L2 ["", ""] Synapses near the spinal cord ["", ""] Synapses near the target organ ["", ""] Increases heart and respiratory rate ["", ""] Stimulates…arrow_forward
- Name the division of the ANS that does each of the following: increases digestive activity; increases blood pressure; dilates bronchioles; decreases heart rate; stimulates the adrenal medulla to release its hormones; causes ejaculation.arrow_forwardname the neurotransmitters employed at differentsynapses of the ANS;arrow_forwardHow do the pre- and postganglionic neurons of the ANS differ in embryonic origin?arrow_forward
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