[Solved]: The nurse is reviewing the four clinical phases of…

The nurse is reviewing the four clinical phases of investigational drug studies. Place the four phases in the correct order of occurrence. a. Studies that are voluntarily conducted by pharmaceutical companies to obtain more information about the therapeutic and adverse effects of a drug b. Studies that involve small numbers of volunteers who have the disease or ailment that the drug is designed to diagnose or treat c. Studies that involve small numbers of healthy subjects who do not have the disease or ailment that the drug is intended to treat d. Studies that involve large numbers of patients who have the disease that the drug is intended to treat; these studies establish the drug’s clinical effectiveness, safety, and dosage range