Which of the following ventilation system criteria is the MINIMUM for a room housing a patient who has a compromised immune system?

• A.12 ACH, airflow direction away from patient
• B.12 ACH, airflow direction towards the patient
• C.15 ACH, airflow direction away from patient
• D.15 ACH, airflow direction towards the patient

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Energy recovery systems serving Airborne Infectious Isolation Rooms must meet which of the following criteria?

• A.Wheel leakage of less than 0.5%, as determined by an SF6 test performed on the fully operational system in the field
• B.Total effectiveness greater than 50%
• C.Supply airstream and exhaust airstream components are separated by an air gap open to the atmosphere
• D.Leakage potential shall be designed to have no more than 5% of the total supply airstream consisting of exhaust air

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Airborne Infection Isolation Rooms are designed to:

• A.Be switched from neutral to negative
• B.Be switched from neutral to positive
• C.Protect staff and visitors from infection
• D.Protect patients from infection

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Secondary (redundant) air systems for maintenance purposes are MOST often used in which of the following locations?

• A.Procedure Room
• B.Radiation Treatment Rooms
• C.Bone Marrow Transplant Units
• D.Intensive Care Units

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Which of the following air-to-air heat recovery strategies will result in the greatest possibility of cross- contamination between air streams?

• A.Plate Heat Exchangers
• B.Heat Wheels
• C.Runaround Coil System
• D.Heat Pipe Systems

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