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Solved: BIO Signal Propagation in Neurons. Neurons are
Chapter 21, Problem 5E(choose chapter or problem)
Problem 5E
BIO Signal Propagation in Neurons. Neurons are components of the nervous system of the body that transmit signals as electric impulses travel along their length. These impulses propagate when charge suddenly rushes into and then out of a part of the neuron called an axon. Measurements have shown that, during the inflow part of this cycle, approximately 5.6 X 1011 Na+ (sodium ions) per meter, each with charge + e, enter the axon. How many coulombs of charge enter a 1.5-cm length of the axon during this process?
Questions & Answers
QUESTION:
Problem 5E
BIO Signal Propagation in Neurons. Neurons are components of the nervous system of the body that transmit signals as electric impulses travel along their length. These impulses propagate when charge suddenly rushes into and then out of a part of the neuron called an axon. Measurements have shown that, during the inflow part of this cycle, approximately 5.6 X 1011 Na+ (sodium ions) per meter, each with charge + e, enter the axon. How many coulombs of charge enter a 1.5-cm length of the axon during this process?
ANSWER:
Introduction
We have to calculate the total amount of charge enters during one pulse in 1.5 m long neurons.
Step 1
The charge of one Na+ ion is
