Which of the following are steps necessary to ensure patient safety? O a) Make sure that the medication is dispensed in the same units in which it was prescribed. Ub) Review any calculation questions with the pharmacist. c) Check to see if there's a better medication for the patient's problem. d) Dispense an extra dose to save the patient from having to return in case of loss or damage to one of the doses. O e) Compare the label on the medication with the order from the physician.