The nurse is providing an in-service educational program for the interprofessional health care team to discuss infection-control precautions. What teaching will the nurse include? Select all that apply.

Post infection precaution signs outside the client's room as warranted

Disinfect all hard surfaces at least once every 4 hours

Practice hand hygiene

Keep the client's environment clean and uncluttered

Use personal protective equipment (PPE) during all client encounters

Wear personal protective equipment (PPE) when warranted