what should the normal partial pressure of oxygen be in human? What is the parti

Question

what should the normal partial pressure of oxygen be in human? What is the partial pressure of carbon dioxide? What does this mean and what could cause these values to drift in a patient? what should the normal partial pressure of oxygen be in human? What is the partial pressure of carbon dioxide? What does this mean and what could cause these values to drift in a patient? what should the normal partial pressure of oxygen be in human? What is the partial pressure of carbon dioxide? What does this mean and what could cause these values to drift in a patient?

Explanation / Answer

Normal partial pressure of oxygen is 75 - 100 mmHg and that of carbon dioxide is 38 to 42 mmHg.

These partial pressure refers to ventilation and oxygenation status of human blood. A low oxygen pressure and high carbon dioxide is caused due to hypoxia or vigorous exercising conditions . This means that the body lacks oxygen to carry out vital metabolic reactions and hence body performs anaerobic oxidation producing lactic acid. The condition called as respiratory acidosis. The opposite occurs in hyperventilation when carbon dioxide pressure increases, the condition called as respiratory alkalosis.

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