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Physiology Help

Physiology

QuestionAnswer
When a neuron is resting, the inner surface of its plasma membrane is slightly positive compared with its outer surface. False
The sodium-potassium pump actively pumps three potassium ions out of the neuron and two sodium ions into the neuron. False
A term commonly used as a synonym for action potential is nerve impulse.
The difference in electrical charge between the inside and outside of a membrane is called the membrane potential. True
Which chemicals allow neurons to communicate with one another? neurotransmitters
The speed of a nerve impulse depends on the neuron’s resting potential. False
An ion channel that opens in response to a sensory stimulus is a(n) stimulus-gated channel.
The action potential seems to “leap” from node to node along a myelinated fiber. This type of impulse regeneration is called __________ conduction. saltatory
Neurons are the only living cells that maintain a difference in the concentration of ions across their membranes. False
A neurologist is using a voltmeter to measure potential. The membrane potential of a neuron was recorded at +30 mV. This is what type of membrane potential? Action
Created by: Kevin.Ford
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