What is the primary purpose of the medical power of attorney?

The primary purpose of a medical power of attorney is to authorize someone to make medical decisions on behalf of another person in the event that they become unable to make those decisions themselves. This legal document ensures that a trusted individual, often a family member or close friend, can advocate for the patient's healthcare preferences when they are incapacitated or unable to communicate their wishes. This type of designation is vital in critical situations where timely decisions need to be made regarding treatment options and care, reflecting the patient's values and desires.

The other options do not accurately encapsulate the main function of a medical power of attorney. Granting access to medical records focuses on confidentiality and information sharing rather than decision-making authority. Managing a patient's estate affairs pertains to financial and legal responsibilities rather than healthcare decisions. Finally, prescribing medications typically falls under the scope of licensed healthcare providers, not decision-makers designated by a medical power of attorney. This delineation highlights the importance of understanding the specific purpose of this legal document in relation to healthcare advocacy.