Final answer:
To administer oxytocin 4 milliunits/minute in Ringer's Lactate 1,000 ml, the infusion pump should be set to deliver 50 ml/hour.
Step-by-step explanation:
To administer oxytocin 4 milliunits/minute in Ringer's Lactate 1,000 ml, the infusion pump should be set to deliver 50 ml/hour. This can be calculated using the formula:
Rate (ml/hour) = Dose (ml/minute) × 60 (minutes/hour)
Therefore, Rate = 4 milliunits/minute × 1 ml/1000 milliunits × 60 minutes/hour = 0.24 ml/hour × 1000 = 24 ml/hour.
So the correct answer is option b) 25 ml/hour.