Which of the following statements is true concerning the operation of a transcutaneous carbon dioxide electrode?
A) PtcCO₂ readings are slightly lower than the PaCO₂ value.
B) Electrodes should be calibrated when they are repositioned.
C) Heating the transcutaneous PCO₂ (PtcCO₂) to 43°C will adversely affect its operation.
D) Before its use, the electrode should be calibrated to 20% and 40% CO₂.
Correct Answer:
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