Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 12, Problem 16CP
Summary Introduction
To review:
The difference between saltatory and continuous conduction.
Introduction:
The action potential that is generated in the neuron travels from its initiation point on axon to the axon terminal and then propagates to another neuron. This way, the information travels from one neuron to another. This propagation of action potential is known as conduction. the conductance of action potential is of two types: continuous and saltatory.
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How is saltatory conduction different from continuous conduction?
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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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- What is the difference between a resting membranepotential and an action potential?arrow_forwardWhats is contiguous conduction?arrow_forwardHow do depolarize, repolarize, and hyperpolarize describe the direction of changes in the membrane potential relative to the resting potential in an excitable cell?arrow_forward
- If extracellular [Na1] is elevated, how would the resting potential and action potential of a neuron change?arrow_forwardthe potassium leak channels were suddenly blocked in a resting neuron, what would happen to its resting membrane potential?arrow_forwardHow can only positive ions result in depolarization and repolarization of the membrane during an action potential?arrow_forward
- How does synaptictransmission between neuronstake place?arrow_forwardWhat happens if a potassium channel opened before sodium channels during the action potential process?arrow_forwardHow different are theconcepts of action potential,resting potential andexcitation thresholdconcerning neurons?arrow_forward
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