Which of the following is a responsibility of OSHA?

The responsibility of OSHA, the Occupational Safety and Health Administration, primarily revolves around monitoring and enforcing workplace safety compliance. OSHA's main mission is to ensure that employers provide a safe and healthy work environment for their employees by setting and enforcing standards. This involves conducting inspections, providing training resources, and ensuring compliance with safety regulations. When workplaces do not adhere to these established guidelines, OSHA has the authority to impose penalties and require corrective actions.

The other options listed do not align with OSHA's core functions. Financial aid to injured workers is typically the domain of workers' compensation programs, health insurance negotiations are handled by insurance companies and employers, and marketing strategies are outside the realm of OSHA’s responsibilities. Thus, the focus on monitoring and enforcing safety compliance reflects OSHA's commitment to worker safety and health standards in the workplace.