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Question 19The nurse has established peripheral IV access and begun an infusion of magnesium sulfate on a29-year-old antepartum patient who is 35 weeks pregnant. Which of the following assessmentfindings most likely prompted the patient's physician to order magnesium sulfate for this patient?Decreased level of consciousness with a sudden onsetSystolic blood pressure readings in excess of 190 mmHgMaternal bradycardia accompanied by a prolonged QT intervalThe presence of rales and rhonchi and oxygen saturation less than or equal to 80% on room air