1, 4, 2. 5, 3.
If uterine hypertonicity occurs, the nurse immediately would intervene to reduce uterine activity and increase fetal oxygenation. The nurse would stop the Pitocin infusion and increase the rate of the nonadditive solution, check maternal BP for hyper or hypotension, position the woman in a side-lying position, and administer oxygen by snug face mask at 8-10 L/min. The nurse then would attempt to determine the cause of the uterine hypertonicity and perform a vaginal exam to check for prolapsed cord