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Concept explainers
(a)
To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.
Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.
(b)
To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.
Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.
(c)
To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.
Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.
(d)
To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.
Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.
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Chapter 8 Solutions
Human Physiology: An Integrated Approach Plus Mastering A&P with Pearson eText -- Access Card Package (8th Edition) (What's New in Human Physiology)
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