Updated: Jun 17, 2026
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1. The isolation room is supplied with 300 cfm (142 L/s) of HEPA filtered air. The return air grille is located in the ceiling and has been balanced to 150 cfm (71 L/s). The room is monitored with a differential pressure sensor, and the sensor is sending an alarm signal to the nurse's station. Which of the following BEST describes the problem?
A) This is a Protective Environment Room with the door to the corridor propped open
B) This is an Airborne Infection Isolation Room with inadequate toilet room exhaust of 25 cfm (12 L/s)
C) This is a Protective Environment Room with inadequate toilet room exhaust of 25 cfm (12 L/s)
D) This is an Airborne Infection Isolation Room with the door to the corridor propped open
2. Airflow in Protective Environment Rooms is designed:
A) With filters at 95% ASHRAE dust spot
B) To flow from the adjacent areas to the patient care area
C) With filters at MERV 13
D) To flow from the patient care area to the corridor
3. In accordance with the most current edition of NFPA 101, which of the following must be true of windows in patient rooms?
A) Windows are for the use of patients to provide natural ventilation
B) Windows can be of fixed type or sealed
C) Windows are optional
D) Windows shall be operable by the use of a tool or key
4. When designing a Bronchoscopy Room, HVAC design engineers need to be aware that the:
A) Samples of fluids obtained from the procedure must be aerosolized as quickly as possible
B) Clinical personnel and the healthcare environment need to be protected from droplets of sputum
C) Room humidity for the procedure needs to be a minimum of 60%
D) Procedure requires a specialized table that allows real-time visualization
5. Which of the following is the BEST location of a return grille in a Protective Environment Room?
A) Low on the sidewall by the room entrance
B) In the anteroom on the ceiling
C) In the floor under the window
D) In the toilet room on the ceiling
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: A |
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