The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse's action?
a. Reduced glomerular filtration
b. Reduced esophageal stricture
c. Increased gastric motility
d. Increased liver mass
ANS: A
The reduced glomerular filtration rate delays excretion, increasing chance for toxicity. In older adults, gastric motility and liver mass decrease. Esophageal stricture is not a physiological change associated with normal aging.
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