The key problem of polypharmacy in older adults includes issues like medication management and drug interactions. However, participating in clinical trials with multiple diseases does not directly relate to polypharmacy issues. Thus, it is the exception when identifying problems associated with polypharmacy in late adulthood. ;
The correct answer is option C, as participating in clinical trials with multiple diseases is not a direct problem related to polypharmacy. The other options describe real issues that older adults face with managing multiple medications. Polypharmacy can lead to confusion, missed doses, and dangerous drug interactions, but clinical trial participation is a separate consideration.
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