Which of the following best approximates the role of the health-care proxy?
a. To explain the physician's plan to the family
b. To convey the wishes of the family to the medical team
c. To communicate and carry out the wishes of the patient
d. To make decisions based on what he or she genuinely believes is the best interests of the patient
e. To carry out the financial decisions of the patient when he or she loses the capacity to speak