Which of the following acts requires adherence to workplace safety regulations?

The Occupational Safety and Health Administration (OSHA) is the correct answer because it specifically mandates adherence to workplace safety regulations. Established under the Occupational Safety and Health Act, OSHA's primary purpose is to ensure that employers provide a safe and healthy work environment for their employees. This includes setting and enforcing standards, providing training, outreach, education, and assistance to help mitigate workplace hazards.

In contrast, the other acts listed do not primarily focus on workplace safety. The Fair Labor Standards Act regulates minimum wage, overtime pay, recordkeeping, and youth employment, while the Age Discrimination in Employment Act (ADEA) addresses age discrimination in the workplace. The Pregnancy Discrimination Act prohibits discrimination based on pregnancy, childbirth, or related medical conditions. While all of these laws contribute to a fair and equitable workplace, only OSHA directly requires compliance with safety regulations.