Which of the Following Statements Is True Concerning the Operation

question 49

Multiple Choice

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.

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Definitions:

AMP

Adenosine monophosphate, a nucleotide involved in many cellular processes, including DNA synthesis and energy transfer.

Pi

A mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.

Allosteric Regulation

The process of regulating the activity of a protein by binding an effector molecule at a site other than the protein's active site, leading to a change in its activity.