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What is the effect of increased oxygen on hematocrit and why?

I understand that in a hypoxic state the body reacts by increasing hematocrit, and in a deyhydrated state the body will obviously have a higher hematocrit... But what about a hyperoxic state?

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  • 1 decade ago
    Favorite Answer

    In hypoxia, erythropoetin production is increased, and increases your red cell count . I do not know if any response would be needed if there were more oxygen than you need.

    Too high a level of oxygen can be toxic. Hyperbaric O2 has been known to cause seizures.

  • Anonymous
    1 decade ago

    theoretically it should drop as the need for red cell is decreased but this takes some time to happen so in the real work someone wouldn't have a high PO2 for long enough for this to occur

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