A charge nurse is evaluating a newly licensed nurse's understanding of infection control procedures. Which of the following actions demonstrates that the nurse is following the appropriate protocol for a client who has streptococcal pharyngitis?

Placing the client in a positive-airflow room with 12 air exchanges per hour

Explaining to the client that he cannot have visitors until his manifestations resolve

Donning sterile gloves when performing routine oral care

Wearing a mask when within 1 m (3.3 ft) of the client