An Older Adult Patient Has Been Approached to Participate in a Research

An older adult patient has been approached to participate in a research study.The nurse best advocates for the patient's right of self-determination by:

A) evaluating the patient's cognitive ability to understand the consequence of the study.
B) determining what risks to the patient are involved.
C) discussing the importance of the study with the patient and his family.
D) encouraging the patient to discuss the decision with trusted family or friends.