Which Federal Agency Ensures Cosmetics, Medical Devices, and Radiation-Transmitting Products

Which federal agency ensures cosmetics, medical devices, and radiation-transmitting products are safe?

A) National Institutes of Health (NIH)
B) Centers for Disease Control and Prevention (CDC)
C) National Institute for Standards and Technology (NIST)
D) Food and Drug Administration (FDA)
E) None of the above answers are correct