If a drug is a weak acid, such that some molecules are ionized and some are nonionized, which form will most readily diffuse across cell membranes by solution in the lipids?
A. They both diffuse at the same rate.
B. The ionized drug molecules diffuses faster than the nonionized.
C. The nonionized molecules diffuse better than the ionized.
D. It depends on the particular drug.
E. It depends on the cell type involved.
Answer
Category:
Pharmacology MCQs
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