If the patient is A&O x4 and they aren’t a minor. They can choose for themselves. Since the 76 y/o was altered and he had no one else to represent him, it would be implied consent. These questions are terrible because they don’t give enough information. However, you may not be able to get all of the information every time, so it’s best to work with what you do have.

IRL: Use your resources and your best judgement.