Item #4 of 10

Upon damage to the central nervous system the ______________.

microglia supply glucose to the healthy neurons;
astrocytes release nitric oxide to eliminate weakened neurons;
microglia phagocytize dying neurons;
microglia release nitric oxide to eliminate weakened neurons;
b, c, and d are all correct alternatives;

INCORRECT - Although microglia do release nitric oxide in response to damage, a more complete alternative is provided.

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