A pregnant client is receiving magnesium sulfate for the management of preeclampsia. The nurse determines that the client is experiencing toxicity from the medication if which findings are noted...

A pregnant client is receiving magnesium sulfate for the management of preeclampsia. The nurse determines that the client is experiencing toxicity from the medication if which findings are noted during assessment? Select all that apply.

 1. Proteinuria of 3 + 2. Respirations of 10 breaths/minute 3. Presence of deep tendon reflexes 4. Urine output of 20 mL in an hour 5. Serum magnesium level of 6 mEq/L (3 mmol/L)