143altitude4 - 2 low PO 2 leads to low PO 2 in alveoli low...

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4 Arterial Oxygen • Sea level or altitude - dry ambient air is 21% O 2 – With decreased density of air, PO 2 or density of oxygen is lower (hypoxia) – PO 2 = .21 X barometric pressure – sea level - 150 mmHg O 2 – 3000 m 110 mmHg O
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Unformatted text preview: 2 low PO 2 leads to low PO 2 in alveoli low PO 2 in arterial blood this change in arterial oxygen precipitates immediate physiological adjustments long term physiological adaptations...
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This note was uploaded on 12/27/2011 for the course KIN 143 taught by Professor Asmundson during the Fall '09 term at Simon Fraser.

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