Question 11 / 58:  What is one way in which a drug may be able to cross the blood-brain barrier?
Blood brain barrier= layer of tightly joined ENDOTHELIAL cells that prevents many drugs entering (main problem for treatment of alzheimer's ect.) 

Easiest mechanism= passive diffusion.

Also there's carrier mechanisms, endothelial pumps.

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Pharmacology (Test) [Excluding Nervous System]

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