KINE 3012 Lecture Notes - Lecture 7: Globin, Hemoglobin, Blood Gas Tension
6 Mar 2018
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Document Summary
Pao2 (pressure of oxygen in the alveolus) high oxygen in alveolus, low oxygen in tissue. The partial pressure of oxygen in the residual volume is lower than it is in the atmosphere. It reaches equilibrium with the gas in the alveolus, which is why its important to maintain pressure in the alveolus so that we can maintain pressure in the blood. Pressure of co2 in the blood is 46, while it is 40 in the alveolus, so the co2 gets pushed into the alveolus. The partial pressure of oxygen in the tissue is 40, while it is now 100 mmhg in the blood, so it di uses into the tissue. Co2 concentration in the tissue is 46, and its 40 in the blood, so it gets pushed into the blood through di usion. Ventilation adequacy: hyper ventilation: this is over ventilation, or where your ventilation exceeds your co2 production.
