@katgob
I just want to add that I have known many family members who have agonized over having to make those decisions. A health Care Directive might make it easier for them. However, I've known children that dehydrated and starved their mother to death because she had a DNR. To me that means Do Not Resuscitate or use Extreme Measures. You need to specify what it means.
Additionally, I have known a few family members who made selfish decisions to enrich themselves, going against the wishes of the deceased loved one. Many times, this included going against legal documents when they were named as executor. Giving heirs copies of all documents might make your decisions easier for everyone involved.