The nurse is administering Labetalol 40MG IV q4h. On hand is a 5ML multi-dose vial with a concentration of 5MG/ML. How many ML will the nurse administer every four hours?

A. The mLs required equals to dose ordered/concentration on hand= 40/5 = 8 mL. B. The mLs required equals to dose ordered/concentration on hand= 40/5 = 8 mL. C. The mLs required equals to dose ordered/concentration on hand= 40/5 = 8 mL. D. The mLs required equals to dose ordered/concentration on hand= 40/5 = 8 mL.