1) medication order: mix 10 units in 250 ml d5w. what is the concentration in units per ml? 2) medication order: mix 250 mg in 250 ml d5w. what is the concentration in milligrams per ml? 3) mix 500 mcg in 1000 ml ns. what is the concentration in micrograms per ml? 4) mix 10 units of oxytocin in 1000 ml ns. start infusion at 25 ml/hr. increase by 5 ml/hr every 10 minutes until uterine contractions are 2 to 3 minutes apart. do not exceed 44 milliunits/min. maintain total iv fluid volume at 100 ml/hr. how many milliunits per hour will be delivered? 5) mix 10 units of oxytocin in 1000 ml ns. start infusion at 25 ml/hr. increase by 5 ml/hr every 10 minutes until uterine contractions are 2 to 3 minutes apart. do not exceed 44 milliunits/min. maintain total iv fluid volume at 100 ml/hr. you have calculated that 250 milliunits/hr will be delivered. how many milliunits per minute will be delivered?