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Week 7 Quiz
|A synapse can occur only between an axon and:
|another axon, a cell body, and a dendrite
|The difference between sodium and potassium in the generation of action potential is that:
|sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane.
|The magnitude of the action potential peaks when the sodium channels close.
|The sodium-potassium pump actively pumps three potassium ions out of the neuron and two sodium ions into the neuron.
|A membrane that exhibits a membrane potential is said to be
|The membrane potential maintained by a nonconducting neuron’s plasma membrane is called the _____ membrane potential.
|The mechanisms that produce and maintain the resting membrane potential do so by producing a
|slight excess of positive ions on the outer surface of the plasma membrane.
|A term commonly used as a synonym for action potential is
|Which chemicals allow neurons to communicate with one another?
|The autonomic nervous system is composed of
|The sympathetic and parasympathetic nervous system
|A neuron that transmits a nerve impulse toward the central nervous system