Dr. Pearson wants to design a drug that easily passes through the blood-brain barrier. As an expert in psychopharmacology, you suggest that Dr. Pearson ensure that the chemical structure that he designs is small, as well as ____.
A) lipid soluble and uncharged
B) water soluble and uncharged
C) lipid soluble and charged
D) water soluble and charged

Question

Quizplus · Accepted Answer

The blood-brain barrier is selectively permeable and favors the passage of small, lipid-soluble, and uncharged molecules. These characteristics allow such molecules to diffuse more easily through the cell membranes that make up the barrier.

Dr Pearson Wants to Design a Drug That Easily Passes