In Which of the Following Would a High-Efficiency Particulate Air

question 3

Multiple Choice

In which of the following would a high-efficiency particulate air filter (HEPA) be used?

• A)To clean the air entering operating theatres.
• B)In laboratory biosafety cabinets to remove microbes from exhaust air.
• C)To trap pathogens in exhaust systems from isolation units.
• D)In respiratory masks.
• E)All of the above.

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