The nurse is caring for a client who is admitted to the unit with tuberculosis (TB). The client is placed in isolation. To protect the caregivers and other clients on the unit, which type of isolation room is most appropriate?
A) Single-door room with positive air flow (Air flows out of the room.)
B) Isolation room with an anteroom and negative air flow (Air flows into the room.)
C) Isolation room with an anteroom and normal airflow
D) Single-door room with normal airflow
Answer: B
Patients with airborne infections such as meningococcemia, SARS, or TB are placed in an isolation room with an anteroom and negative pressure airflow. Air flows into the room and is vented in a special manner to prevent the organism from entering the rest of the unit. Positive flow rooms are used for those clients who are immunosuppressed so that microorganisms from the unit are not drawn into the room. Single-door isolation with normal airflow might be used for a client with droplet or wound infection. Single-door rooms are not equipped to have positive or negative airflow.
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