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Author Question: To properly operate, the transcutaneous partial pressure of oxygen electrode needs to be at what ... (Read 58 times)

Pineapplelove6

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on: Jul 16, 2018
To properly operate, the transcutaneous partial pressure of oxygen electrode needs to be at what temperature range?
 
  a. 32-35 C
  b. 36-39 C
  c. 42-45 C
  d. 46-49 C

Question 2

What type of electrode is used by a transcutaneous partial pressure of oxygen (PtcO2) device?
 
  a. Galvanic
  b. Polarographic
  c. Paramagnetic
  d. Stow-Severinghaus


jlaineee

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
The transcutaneous partial pressure of carbon dioxide (PtcO2) electrode is heated to between 42 C and 45 C to produce capillary vasodilation below the surface of the electrode. This will im-prove diffusion of gases across the skin. If the PtcO2 temperature is lower than this range, the re-sults will not be reliable. A temperature higher than this range will produce skin burns.

Answer to Question 2

ANS: B
A heated Clark or polarographic electrode is used to monitor the transcutaneous partial pressure of oxygen. The Stow-Severinghaus electrode is used in the measurement of transcutaneous car-bon dioxide (CO2) partial pressure. Polarographic and Galvanic electrodes are types of oxygen analyzers that use chemical reactions to measure oxygen concentrations in gas mixtures.


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