Explanation During the resting potential, three Na+ ions (positively charged) are pumped out of the cell while two K + ions(positively charged) are pumped inside the cell. This increases the concentration of Na + ion in the extracellular environment and concentration of K + ion is increased inside the cell. This generates an unfavorable concentration gradient and establishes a resting potential...

Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)

11th Edition

ISBN: 9780321918758

Author: Elaine N. 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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Chapter 7, Problem 18SAE

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Chapter 7 Solutions

Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)

Ch. 7 - Prob. 1MC Ch. 7 - Prob. 2MC Ch. 7 - The innermost delicate meningeal layer is the a....Ch. 7 - Prob. 4MC Ch. 7 - 5. The pineal gland is located in...Ch. 7 - Prob. 6MC Ch. 7 - 7. The spinal cord feature associated with the...Ch. 7 - Prob. 8MC Ch. 7 - Prob. 9MC Ch. 7 - Prob. 10MC

Ch. 7 - More than one choice may apply. Which of the...Ch. 7 - Prob. 12MC Ch. 7 - Prob. 13SAE Ch. 7 - Prob. 14SAE Ch. 7 - Prob. 15SAE Ch. 7 - Identify and briefly describe the role of...Ch. 7 - Briefly explain how nerve impulses are initiated...Ch. 7 - Prob. 18SAE Ch. 7 - Prob. 19SAE Ch. 7 - Prob. 20SAE Ch. 7 - Prob. 21SAE Ch. 7 - 22. What is the function of the thalamus? The...Ch. 7 - Describe how the brain is protected by bone,...Ch. 7 - Prob. 24SAE Ch. 7 - Prob. 25SAE Ch. 7 - Prob. 26SAE Ch. 7 - Prob. 27SAE Ch. 7 - Prob. 28SAE Ch. 7 - Prob. 29SAE Ch. 7 - Prob. 30SAE Ch. 7 - Identify the neurotransmitters used in each of the...Ch. 7 - Prob. 32SAE Ch. 7 - Prob. 33SAE Ch. 7 - 34. How does a Schwann cell help insulate a nerve...Ch. 7 - Prob. 35SAE Ch. 7 - Prob. 36SAE Ch. 7 - Prob. 37CAQ Ch. 7 - 38. Joseph, a man in his early 70s, was having...Ch. 7 - Prob. 39CAQ Ch. 7 - Prob. 40CAQ Ch. 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. 46CAQ Ch. 7 - Jason is the star of his hometown ice hockey team....Ch. 7 - Prob. 48CAQ Ch. 7 - Prob. 49CAQ Ch. 7 - As the aroma of freshly brewed coffee drifted by...

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Solution Summary: The author explains how sodium ions enter the axon of the neuron to cause depolarization.

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