A Pregnant Woman Has Been Receiving a Magnesium Sulfate Infusion

A pregnant woman has been receiving a magnesium sulfate infusion for treatment of severe preeclampsia for 24 hours.On assessment the nurse finds the following vital signs: temperature of 37.3° C,pulse rate of 88 beats/min,respiratory rate of 10 breaths/min,blood pressure (BP) of 148/90 mm Hg,absent deep tendon reflexes,and no ankle clonus.The patient complains,"I'm so thirsty and warm." The nurse:

A) calls for a stat magnesium sulfate level.
B) administers oxygen.
C) discontinues the magnesium sulfate infusion.
D) prepares to administer hydralazine.