If a Health Care Practitioner Is Unfamiliar with a Drug,he

If a health care practitioner is unfamiliar with a drug,he or she should .

A) administer it regardless,because the physician ordered it
B) consult a standard reference or a pharmacist or similar professional before administering it
C) call the ordering physician and ask why that particular drug was chosen
D) substitute a more familiar drug and document the reason in the chart