Final answer:
The Regulated Health Professions Act was established in 1991, and it is key in regulating health professions in Ontario, Canada.
Step-by-step explanation:
The Regulated Health Professions Act was established in the year 1991. This legislation plays a crucial role in the regulation of health professions in Ontario, Canada. The Act establishes health regulatory colleges, which are responsible for governing their respective health professions by ensuring competence among practitioners and providing mechanisms for accountability and patient protection.