Essentials of Human Anatomy and Physiology (LooseLeaf) - With Access
11th Edition
ISBN: 9780321958563
Author: Marieb
Publisher: PEARSON
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Question
Chapter 7, Problem 19SAE
Summary Introduction
To review:
The way in which sodium ions are able to enter the axon of a neuron to cause depolarization.
Introduction:
Depolarization is the phenomenon observed when there is a change in the electric charge within the cell. The functioning, communication, and physiology of a cell and an organism depend upon the activity of depolarization.
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describe the events of neuron depolarization and repolarization
Describe how depolarization occurs along an unmyelinated neuronal axon
briefly explain the distribution of ions in an axon during depolarization and repolarization.
Chapter 7 Solutions
Essentials of Human Anatomy and Physiology (LooseLeaf) - With Access
Ch. 7 - Prob. 1MCCh. 7 - Prob. 2MCCh. 7 - The innermost delicate meningeal layer is the a....Ch. 7 - Prob. 4MCCh. 7 - 5. The pineal gland is located in...Ch. 7 - Prob. 6MCCh. 7 - 7. The spinal cord feature associated with the...Ch. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MC
Ch. 7 - More than one choice may apply. Which of the...Ch. 7 - Prob. 12MCCh. 7 - Prob. 13SAECh. 7 - Prob. 14SAECh. 7 - Prob. 15SAECh. 7 - Identify and briefly describe the role of...Ch. 7 - Briefly explain how nerve impulses are initiated...Ch. 7 - Prob. 18SAECh. 7 - Prob. 19SAECh. 7 - Prob. 20SAECh. 7 - Prob. 21SAECh. 7 - 22. What is the function of the thalamus? The...Ch. 7 - Describe how the brain is protected by bone,...Ch. 7 - Prob. 24SAECh. 7 - Prob. 25SAECh. 7 - Prob. 26SAECh. 7 - Prob. 27SAECh. 7 - Prob. 28SAECh. 7 - Prob. 29SAECh. 7 - Prob. 30SAECh. 7 - Identify the neurotransmitters used in each of the...Ch. 7 - Prob. 32SAECh. 7 - Prob. 33SAECh. 7 - 34. How does a Schwann cell help insulate a nerve...Ch. 7 - Prob. 35SAECh. 7 - Prob. 36SAECh. 7 - Prob. 37CAQCh. 7 - 38. Joseph, a man in his early 70s, was having...Ch. 7 - Prob. 39CAQCh. 7 - Prob. 40CAQCh. 7 - Latifah is in the first trimester of her second...Ch. 7 - 42. Mrs. Chen, a new mother, brings her infant to...Ch. 7 - Three-year-old Brittany is sobbing that her right...Ch. 7 - 44. Mr. Harrison is an 82-year-old bedridden...Ch. 7 - Clarence, an elderly man with a history of TIAs,...Ch. 7 - Prob. 46CAQCh. 7 - Jason is the star of his hometown ice hockey team....Ch. 7 - Prob. 48CAQCh. 7 - Prob. 49CAQCh. 7 - As the aroma of freshly brewed coffee drifted by...
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- Define refractory period, and explain the difference between the absolute refractory period and relative refractory period associated with transmitting an action potential.arrow_forwardDescribe how the permeability of the axon membrane to Na+ and K+ is regulated and how changes in permeability to these ions affect the membrane potential.arrow_forwardDescribe how the two phases of repolarization reset the neuronal axon to be depolarized againarrow_forward
- Indicate which gate is responsible for halting the rising phase of the action potential. 1- Na+ inactivation gate opens 2- Sodium activation gate closes 3-Na+ inactivation gate closes 4- K+ gate closes 5-Na+ activation gate opensarrow_forward. “Facilitation in a neuronal pool” refers to .arrow_forward
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