Class I Biological Safety Cabinets

Multiple Choice

Class I biological safety cabinets:

A) sterilize the air as it passes over the material in the cabinet.
B) protect the environment from contamination by biological agents by filtering the air as it is exhausted from the cabinet.
C) are completely enclosed and have gloves that enable the worker to manipulate the material in the cabinet.
D) are often called laminar flow hoods.