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A change in membrane potential in which the charge is becoming less negative than resting potential is called
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Ependymal cells
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A change in membrane potential in which the charge is becoming less negative than resting potential is called Depolarization
Ependymal cells Secrete cerebrospinal fluid in the ventricles of the brain
What is one of the three functions of the cerebrospinal fluid in the human body? Mechanical protection of the central nervous system
Which type of potential results from the opening of Na+ channels? Excitatory postsynaptic potential
An action potential results in a change in the membrane potential of a nerve cell from resting potential if the potential changes to -55 mV
During the rising phase of an action potential, Voltage-gated Na+ channels open.
Exocytosis of neurotransmitter into the synaptic cleft is triggered by an influx of ______ in response to the arrival of an action potential in the axon terminal. Ca2
One of the major inhibitory neurotransmittors in the CNS is gamma amino butyric acid (GABA)
When a nerve fiber is polarized, the concentration of sodium ions is higher on the outside of its membrane and potassium ions is higher on the inside.
An infant's responses to stimuli are coarse and undifferentiated because its nerve fibers are not completely myelinated
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