Final answer:
The regulatory body responsible for monitoring the observance of Standard Precautions guidelines is OSHA.
Step-by-step explanation:
The regulatory body responsible for monitoring the observance of Standard Precautions guidelines is the Occupational Safety and Health Administration (OSHA).
OSHA is a federal agency under the United States Department of Labor. It is responsible for ensuring safe and healthy working conditions by setting and enforcing standards and regulations.
OSHA conducts inspections, assesses fines for regulatory violations, and enforces compliance with safety guidelines, including Standard Precautions, which are measures taken to minimize the risk of transmission of infectious diseases in healthcare settings.