Components of a laboratory blood gas analyzer include which of the following? 1. Two-electrode measuring chamber 2. Reagent containers 3. Calibrating gas tanks 4. Waste container
a. 1, 2, and 3 only
b. 1 and 4 only
c. 2 and 4 only
d. 2, 3, and 4 only
ANS: D
Many instrumentation companies manufacture laboratory blood gas analyzers. Although available in a range of designs, these devices typically share the following key components:
? An operator interface (e.g., operating controls, light-emitting diode [LED] or cathode ray tube [CRT] displays, keypads, software)
? A measuring chamber incorporating the typical three-electrode system
? Calibrating gas tanks
? Reagent containers (buffers used for calibration, rinse solutions)
? A waste container
? A results display, storage, and transmittal system (e.g., screen, printer, disk storage device, network interface)
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