Which type of oxygen analyzer should not be used in the presence of anesthetic gases?
a. Polarographic c. Electrical
b. Paramagnetic d. Galvanic
ANS: C
An electrical analyzer uses a Wheatstone bridge setup and monitors the changes in current flow as it relates to oxygen concentrations. The Wheatstone bridge can generate a significant amount of heat and therefore is dangerous to use in the presence of flammable gases, such as anesthetic gases.
Health Professions
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