When administering medications, which concept pertaining to the blood-brain barrier must the nurse understand?
A) Highly lipophilic medications cross the blood-brain barrier directly.
B) Highly lipophilic medications cannot cross the blood-brain barrier.
C) Highly lipophilic medications cross the blood-brain barrier by simple diffusion.
D) Highly lipophilic medications cross into the brain where there is no blood-brain barrier.

Question

Quizplus · Accepted Answer

Highly lipophilic medications can cross the blood-brain barrier directly because they can dissolve in the lipid bilayer of the cell membranes that make up the barrier.

When Administering Medications, Which Concept Pertaining to the Blood-Brain Barrier