A nurse is caring for an 18-month-old toddler who has acute diarrhea caused by Clostridium difficile bacteria. Which of the following actions should the nurse take?

Use a bleach-based solution to clean the bedside table.

Encourage family members to use hand sanitizer when exiting the room.

Place the toddler in a negative-airflow room.

Administer loperamide 1 mg PO.