Safety systems for medical gases are recommended and provided by:

a. DOT.
b. CGA.
c. FDA.
d. National Fire Protection Association (NFPA).

ANS: B
The CGA sets standards and provides safety systems for compressed gas systems. The FDA sets purity standards for medical gas. The DOT regulates the manufacture, storage, and transport of compressed gases. The NFPA is an independent agency that provides information on fire protec-tion and safety.