1. A prescription is written for Keflex 500mg, PO, QID, 7 days-How many total capsules are needed to fill the prescription? 2. A prescriptions calls for Promethazine 7.5ml PO, TID, 21 days-How many total milliliters are needed to fill the prescription? Please convert to ounces? 3. Amoxicillin prescription is written for 2.5ml.PO,QID, QTY Dispense is 200ml, How many day will the therapy last based on the quantity? 4. An IV order requires 20 mg of NaCl-In stock only NaCl 5mg/2ml is available. How many ml is required to prepare the IV based on strength available? 5. KCl is available as 25Meq/2ml. How many milliliters are needed to prepare 4.5Meq order?