A nurse is administering a patient's medication by mouth. The nurse knows that for this medication to be utilized by the body, diffusion, filtration, and osmosis must take place. Which mechanism is the first to be involved in that process?
a. Excretion
b. Metabolism
c. Distribution
d. Absorption
ANS: D
Absorption involves the way a drug enters the body and passes into the body and tissues. Absorption takes place through the processes of diffusion, filtration, and osmosis.
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