In response to the patient's question about how to know whether drugs are safe, the nurse explains that all medications undergo rigorous scientific testing controlled by what organization?

A. The FDA is responsible for regulating and ensuring the safety and efficacy of drugs, medical devices, and other health-related products. All medications must undergo rigorous scientific testing and approval processes overseen by the FDA before they can be marketed to the public. B. The DEA regulates controlled substances and enforces laws related to drug abuse, but it does not control the scientific testing of medications. C. The CDC focuses on public health and disease prevention, not the regulation or testing of medications. D. The Joint Commission accredits healthcare organizations but does not directly oversee the scientific testing of medications.