PHYSIOLOGY
SKELETAL MUSCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What ions enter the muscle cell during action potential generation?
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Calcium
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Sodium
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Potassium
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Carbon
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Explanation:
Detailed explanation-1: -The principal ions involved in an action potential are sodium and potassium cations; sodium ions enter the cell, and potassium ions leave, restoring equilibrium.
Detailed explanation-2: -They use energy supplied by the cell to actually pump ions in or out of the cell, by force if you will. The best examples are the sodium-potassium pumps on the neuron’s membranes. These pumps push sodium ions out of the cell, and potassium ions (K+) into the cell.
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