Oligodendrocytes perform which of the following functions?
A) physical support of nerve cells
B) provision of nourishment to neurons
C) clean up debris within the brain
D) regulation of the chemical environment in the fluid surrounding neurons
E) enhance conduction velocity along an axon.
Question 2
Which of the following is true of neurons?
A) Neurons have a high metabolic rate and require a continuous source of fuel.
B) The dendrites store nutrients and oxygen for later use by the soma of the neuron.
C) Dead neurons are consumed by other neurons.
D) Neurons make up 89 percent of the volume of the brain.
E) Dead glial cells are replaced by newly formed neurons.
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