All persons being treated at facilities within the Department of Mental Health and Substance Abuse Services and facilities certified by the Department shall be given humane care and treatment. The food shall always be sufficient and wholesome. No physical or emotional punishment shall be inflicted, and the rules and discipline shall be designed to promote the well-being of the person being treated. The physical, medical, psychiatric and psychological testing, diagnosis, care and treatment shall be in accordance with the highest standards accepted in private and public medical and psychiatric practice to the extent that facilities, equipment and personnel are available.
Okla. Stat. tit. 43A, § 4-101