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

Choice A rationaleThe Drug Enforcement Agency (DEA) primarily focuses on the enforcement of controlled substances laws and regulations, not the approval and testing of medications.Choice B rationaleThe Joint Commission on Accreditation of Healthcare Organizations (JCAHO) accredits and certifies healthcare organizations and programs, but it does not control medication testing.Choice C rationaleThe Centers for Disease Control and Prevention (CDC) focuses on public health and disease prevention, not the scientific testing of medications.Choice D rationaleThe Food and Drug Administration (FDA) is responsible for protecting public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, and medical devices through rigorous scientific testing. .