The significance of skin squames to healthcare HVAC&R design is that skin squames are associated with:

• A.Compromised efficiency of ultraviolet germicidal irradiation in sealed rooms
• B.Interference with the proper operation of fluoroscopy units
• C.Excessive loading of filtration systems
• D.Contamination of sterile fields in operating rooms

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In accordance with ASHRAE Standard 170, the filter bed #2 in an air-handling unit serving a patient area shall be located:

• A.Before the fan and the cooling coil
• B.After the pre-heat coil and before the fan
• C.Between the fan and the outside air louver
• D.After the fan and the cooling coil

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Which of the following types of sterilizers requires an exhaust grille?

• A.Ultrasonic
• B.Glass bead
• C.Ethylene oxide
• D.Gamma radiation

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In accordance with ASHRAE Standard 170, which of the following areas is required to have a positive pressure relationship?

• A.Cystoscopy surgical suite
• B.Physical therapy room
• C.Morgue and autopsy area
• D.Nuclear medicine laboratory

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According to ASHRAE Standard 170, which of the following areas within the healthcare setting must have negative pressure relationships to adjacent areas?

• A.ED Waiting Room
• B.Patient Room
• C.Treatment Room
• D.Exam Room

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