What is the condition of the neurons under resting membrane potentials?
Correct answer: C. Outer surface of neuron is more positive
- A. Innersurface of neuron is more positive
- B. Both of these surfaces are equally positive
- C. Outer surface of neuron is more positive
- D. All of these
Explanation
In a resting neuron, the inside of the cell is more negative than the outside. This is due to the fact that there are more positively charged sodium ions outside the cell and more negatively charged potassium ions inside the cell.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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