A nurse is caring for a psychiatric client age 70 years who has been prescribed a number of medications. When educating the client on the medications, which explanation would be most appropriate?
A) "Your stomach empties more quickly as you age; therefore, you may feel the effect of your medications almost immediately."
B) "Your entire GI system speeds up, so your medications are digested much more quickly. Therefore, it is important that you not drive after you take your medications."
C) "Because of your age and related changes in liver functioning, you may have medication levels in your system with the potential to be toxic."
D) "Because of age-related circulation changes, your body will be able to deliver therapeutic doses of your medication to select body sites more quickly."
Ans: C
The activity of hepatic enzymes slows with age. As a result, the ability of the liver to metabolize medications may slow to as much as a fourfold decrease between the ages of 20 and 70 years. Thus the client is at increased risk for toxicity. Gastric pH increases, and gastric emptying and motility decrease, which can influence absorption.
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