Why Do Transcutaneous Oxygen Tension (PO₂) and Carbon Dioxide Tension

question 1

Multiple Choice

Why do transcutaneous oxygen tension (PO₂) and carbon dioxide tension (PCO₂) values differ from PaO₂ and PaCO₂ measurements?

• A) Because of the lag time between the cardiac output and the time the blood reaches the transcutaneous electrode site
• B) Because the skin is much more permeable to oxygen than carbon dioxide
• C) Because oxygen is consumed and carbon dioxide is produced in transit from the left ventricle to the electrode site
• D) Because metabolism in the tissue consumes oxygen and produces carbon dioxide at the site of the electrode

Implement proper hygiene practices for older adults to accommodate decreased sebum and perspiration production.

Apply safe and effective hygiene care techniques to prevent complications in patients with vascular and mobility issues.

Choose appropriate techniques for maintaining and cleaning sensitive patient equipment, such as hearing aids.

Prioritize patient teaching on personal hygiene practices to prevent re-infection and promote health.

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