The standard transcutaneous carbon dioxide electrode is which of the following?
a. Clark c. Spectrophotometer
b. Levy-Jennings d. Modified Stow-Severinghaus
ANS: D
The standard transcutaneous carbon dioxide electrode is a modified Stow-Severinghaus blood gas electrode composed of pH-sensitive glass with a silver–silver chloride (Ag/AgCl) electrode. The Clark electrode measures oxygen. Levy-Jennings is a chart that allows the operator of blood gas analyzers to detect trends and shifts in electrode performance. A spectrophotometer is a de-vice for measuring light that can measure intensity as a function of the wavelength of light. It is used in pulse oximeters.
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