Which of the Following Statements Is True About the Prescribing

Which of the following statements is true about the prescribing practices of physicians?

A) Older physicians tend to prescribe more appropriate medications than younger physicians.
B) Antibiotic medications remain in the top five classifications of medications prescribed.
C) Most physicians rely on a "therapeutic armamentarium" that consists of less than 100 drug preparations per physician.
D) The dominant form of drug information used by primary care physicians continues to be that provided by pharmaceutical companies.