A nurse is assessing a client who is receiving IV magnesium sulfate for treatment of preeclampsia. Which of the following findings should the nurse report?

A. Output above 30 mL/hr is acceptable and not concerning. B. A BP of 122/88 is within normal limits. C. A decrease in deep tendon reflexes (DTRs), such as 1+, can indicate magnesium toxicity and requires immediate intervention. D. Normal pupillary findings do not indicate toxicity.