Qualified Medication Aides (QMA) Practice Exam

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Why is it important to avoid crushing extended-release potassium tablets?

It can cause toxicity
It alters the absorption rate
It makes them less effective
It can lead to side effects

The correct answer is: It alters the absorption rate

Avoiding the crushing of extended-release potassium tablets is crucial because it alters the absorption rate. Extended-release medications are specifically designed to dissolve slowly over time, allowing for a gradual release of the active ingredient into the bloodstream. When such tablets are crushed, the protective coating that regulates the release of the medication is destroyed. This alteration can result in the medication being absorbed too quickly, leading to a spike in potassium levels in the bloodstream, which could potentially be harmful. Thus, ensuring that these tablets remain intact helps maintain their intended pharmacokinetic profile, promoting safe and effective therapy for patients.