The release of neurotransmitter from axon terminals into the synaptic cleft depends on:
A) The inflow of chloride ions
B) The opening of nodes of Ranvier
C) Reversal of the sodium-potassium pump
D) The entry of calcium ions from the extracellular fluid
Question 2
Gray matter refers to:
a. Unmyelinated cell bodies
b. Myelinated cell bodies
c. Unmyelinated axons
d. Synapses