An older adult client comes to the healthcare provider's office for a routine follow up exam for high blood pressure, osteoarthritis, constipation, and chronic sinusitis. The client recently had a cataract removed from the left eye. Which is most important for the nurse to address when obtaining this client's health history?

A. Functional capacity: While important for older adults, it's not the most pressing concern during this routine follow-up exam.B. Distinguishing symptoms: This is an ongoing process, but not the most critical element for this visit.C. Obtain a medication history including prescription and non-prescription drugs. Cataract surgery often involves medication changes or new medications to prevent infection or manage other post-operative needs. An updated medication history helps identify potential interactions or side effects.D. Advance directives: While important for all adults, it might not be the most urgent topic for this specific follow-up exam focused on managing existing conditions and potential post-surgical medications.