What safety system is designed to prevent accidental interchanging among low-pressure (<200 psig) connectors such as those found on flowmeters and ventilators?
a. PISS
b. ASSS
c. DISS
d. CGA
ANS: C
Whereas the ASSS and the PISS provide standards for high-pressure connections between cyl-inders and equipment, the DISS was established to prevent accidental interchange of low-pressure (<200 psig) medical gas connectors.
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