Diffusion is one of the mechanisms involved in absorption of medications. What is an effective way for the nurse to explain this mechanism of absorption to a patient?
a. Spray perfume in the air.
b. Pour clear water into clear water in a cup.
c. Mix flour in a large cup.
d. Put bread and meat together.
ANS: A
Diffusion is the tendency of the molecules of a substance (gas, liquid, or solid) to move from a region of high concentration to one of lower concentration.
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