Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Textbook Question
Chapter 12, Problem 2CP
What are the components and functions of the SNS and ANS?
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What are the functions of the ANS?
In terms of neurotransmitters and receptors, explain why the two divisions of the ANS can have contrasting effects on the same organs?
Describe the structural components and functions of the SNS, ANS, and ENS, and indicate which of these subdivisions of the PNS control voluntary actions and which regulate involuntary actions.
Chapter 12 Solutions
Principles of Anatomy and Physiology
Ch. 12 - l. What is the purpose of a sensory receptor?
Ch. 12 - What are the components and functions of the SNS...Ch. 12 - 3. Which subdivisions of the PNS control voluntary...Ch. 12 - Prob. 4CPCh. 12 - 5. Describe the parts of a neuron and the...Ch. 12 - Give several examples of the structural and...Ch. 12 - 7. What is a neurolemma, and why is it important?
Ch. 12 - 8. With reference to the nervous system, what is a...Ch. 12 - 9. What types of electrical signals occur in...Ch. 12 - 10. Why are voltage-gated channels important?
Ch. 12 - 11. What is the typical resting membrane potential...Ch. 12 - 12. How do leak channels contribute to resting...Ch. 12 - 13. What is a hyperpolarizing graded potential?
Ch. 12 - 14.What is a depolarizing graded potential?
Ch. 12 - What happens during the depolarizing phase of an...Ch. 12 - Prob. 16CPCh. 12 - 17. What effect does miyelination have on the...Ch. 12 - How is neurotransmitter removed from the synaptic...Ch. 12 - Prob. 19CPCh. 12 - Prob. 20CPCh. 12 - Prob. 21CPCh. 12 - Prob. 22CPCh. 12 - What is a neural circuit?Ch. 12 - What are the functions of diverging, converging,...Ch. 12 - What factors contribute to a lack of neurogenesis...Ch. 12 - What is the function of the regeneration tube in...Ch. 12 - The buzzing of the alarm clock woke Carrie. She...Ch. 12 - Prob. 2CTQCh. 12 - As a torture procedure for his enemies, mad...
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- State the differences between SNS and ANS. List the major anatomical and microscopic components of the ANS.arrow_forwardIn terms of neurotransmitters and receptors, explain how the two divisions of the ANS can have contrasting effects on the same organ.arrow_forwardDescribe the basic differences between the parasympathetic and sympathetic divisions of the ANSarrow_forward
- Name the neurotransmitters employed by the ANS and define terms for neurons and synapses with different neurotransmitter and receptor types?;arrow_forwardCompare and contrast the anatomy and functions of theSNS and the ANS.arrow_forwardHow does the parasympathetic ANS (autonomic nervous system) affect the CNS (central nervous system)?arrow_forward
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