Which of the Following Statements Is TRUE Regarding the Blood-Brain

question 72

Multiple Choice

Which of the following statements is TRUE regarding the blood-brain barrier (BBB) ?

• A) The endothelial cells of the BBB are extensively interconnected with tight junctions.
• B) Lipid-soluble compounds can freely diffuse across the endothelial cell membranes.
• C) Endothelial transport across the BBB is highly selective.
• D) The endothelial cells of the BBB contain small numbers of pinocytotic vesicles.
• E) All of these are characteristics of the BBB.

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