Which of the Following Is a General Rule for Drug

Which of the following is a general rule for drug administration?

A) Administer a drug that another medical assistant has prepared
B) Calculate the dose and have it double-checked if unsure of your answer
C) Rely on the patient allergies documented in the chart
D) Return a pill to its original container if the patient refuses to take it
E) Check the medication twice before giving it to the patient