Manglethemango1524 Manglethemango1524 Today at 12:50 AM Medicine Answered A nurse is preparing to administer codeine 20 mg PO every 6 hr PRN pain. Available is codeine oral solution 10 mg/ 5 mL. How many mL should the nurse administer per dose? A) 2 mL B) 4 mL C) 6 mL D) 8 mL