Susan is an adolescent client with pregnan
题型：单项选择题
问题：
Susan is an adolescent client with pregnancy-induced hypertension (PIH). The physician orders 5% dextrose in Ringer’s solution and magnesium sulfate intravenously for her. Before the magnesium sulfate is administered, which of the following assessments would be the priority()
A. Maternal urinary output.
B. Fetal position.
C. Fetal heart rate variability.
D. Maternal respiratory rate.