Multiple Choice
Structurally, the blood-brain barrier exists because
A) the endothelial cells lining the CNS are extensively interconnected by tight junctions.
B) normal blood flow is at a pressure too high for the delicate brain tissue.
C) only water-soluble compounds are permitted to enter by passive diffusion.
D) the hypothalamus regulates the permeability of the blood vessels.
E) None of the answers are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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