In order to prevent spread of microorganisms from the microbiology laboratory, the room air should be
A) under positive pressure AND filtered.
B) under negative pressure AND filtered.
C) under negative pressure, chilled, AND filtered.
D) under positive pressure, chilled, AND filtered.
E) under neutral pressure, chilled, AND filtered.

Question

Quizplus · Accepted Answer

The microbiology laboratory should be under negative pressure, so that air does not flow out from the laboratory into other areas of the building. This can help prevent the spread of airborne microorganisms. The air should also be filtered to remove any microorganisms that may be present in the laboratory air. Therefore, option B is the best choice. The other options do not take into account the need for negative pressure and/or filtration of the air.

In Order to Prevent Spread of Microorganisms from the Microbiology