A nurse is teaching a newly licensed nurse about administering naloxone to treat a client who is experiencing opioid toxicity. Which of the following information should the nurse include in the teaching?

"Administer naloxone orally."

"Naloxone is contraindicated for clients who have glaucoma.

"Monitor the client for ventricular arrhythmia after administration.

"Naloxone should be administered every 1 to 2 hours."