ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
4th Edition
ISBN: 9781265521363
Author: McKinley
Publisher: MCG
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Chapter 12.7, Problem 19WDYL
Summary Introduction

To describe:

The concentration of ions ( Na+,K+,andCl- ) along the entire neuron and Ca2+ at the synaptic knob and also describe the state of the gated channel.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Students have asked these similar questions
Describe the conditions of a neuron at rest in terms of the RMP; concentration gradients for Na+, K+, Cl– along the entire neuron and Ca2+ at the synaptic knob; and the state of the gated channels.
What is the expected resting membrane potential (in mV) of a neuron that is typical in all ways except for possessing an intracellular potassium concentration of 94 mM and double the normal resting permeability to sodium?
What is the expected resting membrane potential (in mV) of a neuron that is typical in all ways except for possessing an extracellular potassium concentration of 104.3 mM, an intracellular sodium concentration of 103.6 mM, and 4 times the normal resting permeability to sodium?

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