The blank mandates that drugs must be shown yo be safe and effective to blank before they can be prescribed

Iwould say a is correct

An advantage of an mri over ct scan is d. it produces better images of hard tissues. hope this : )

Some of their responsibilities are to evaluate safety, efficiency, and effectiveness of the biomedical equipment. train people on how to properly operate biomedical equipment. lastly is to research the engineering aspects of the biological systems of humans and animals.