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Q. A nurse is administering magnesium sulfate IV to a client who has severe preeclampsia for seizure prophylaxis. Which of the following indicates magnesium sulfate toxicity? (Select all that apply)
a. Respirations less that 12/ min
b. Urinary output less than 30/mL/hour
c. Hyperreflexic deep-tendon reflexes
d. Decreased level of consciousness
e. Flushing and sweating
A. a, b, d
Rationale: Signs of magnesium toxicity include respirations less than 12/min, decreased level of consciousness, and the absences of deep-tendon reflexes. Flushing and sweating are side effects, but not signs of toxicity.