The facility shall insure that each resident and guardian, if any:

(1) Is fully informed by a physician about his or her health and medical condition unless the physician decides that informing the resident is medically contraindicated and the physician documents this decision in the resident's record;

(2) Has the opportunity to participate in his or her total care and treatment;

(3) Has the opportunity to refuse treatment; and

(4) Gives informed, written consent before participating in experimental research.