Question: Intravenous magnesium sulfate therapy is instituted for a client with severe preeclampsia who has a blood pressure of 170/110 mm Hg, a pulse of 108 beats/min, and a respiratory rate of 24 breaths/min. Eight hours later her blood pressure is 150/110 mm Hg, the pulse is 98 beats/min, the respiratory rate is 10 breaths/min, and the knee-jerk reflex is absent. Which action would the nurse take in response to these findings? Need Online Tutoring? O Stop the infusion of magnesium sulfate and notify the primary health care provider. O Administer calcium gluconate, because it is an antidote to magnesium sulfate. O Continue the magnesium sulfate infusion, because the blood pressure is still high. Check vital signs and reflexes in 1 hour and then discontinue the infusion if necessary.