Final answer:
To prevent the spread of tuberculosis, it is recommended to provide a negative airflow pressure room with at least 12 air exchanges per hour.
Step-by-step explanation:
When caring for a client with tuberculosis, it is recommended to provide a negative airflow pressure room to prevent the spread of the bacteria. The specifications for the room include maintaining a specific number of air exchanges per hour. The recommended number of air exchanges per hour for a negative airflow pressure room is at least 12.