10 Regulation of blood flow in the brain is chiefly due to t

10. Regulation of blood flow in the brain is chiefly due to the activity of which of the following glial cells?

  a, Astrocytes

b. Microglia

c. Oligodendrocytes

d. Schwann cells

Q11. The synaptic connection between two neurons is most likely to increase in strength and sensitivity if…

a. synaptic transmission at the synapse has been frequent

b. synaptic transmission at the synapse has been infrequent

c. there hasn’t been any synaptic transmission at the synapse for a sustained period

Q12. Action potentials conduct along axons similarly to current in a copper wire

a. TRUE
b. FALSE

Solution

Answer:

10). a, Astrocytes

Blood flow in the brain is regulated by neurons and astrocytes.

12). a. False

In comparison to copper wires, nerve cells are relatively poor conductors of electricity