Q:

After an inhalation, the partial pressure of O 2 in the alveoli is 104 mmHg and of CO 2 is 40 mmHg. What will be the concentration of these gases dissolved in blood in the capillaries leaving the alveoli?

waelhammad
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2022-10-19
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After an inhalation, the partial pressure of O 2 in the alveoli is 104 mmHg and of CO 2 is 40 mmHg. What will be the concentration of these gases dissolved in blood in the capillaries leaving the alveoli?

  1. O 2 = 40 mm CO 2 = 104 mmHg
  2. O 2 = 40 mmHg, CO 2 = 46 mmHg
  3. O 2 = 90 mmHg, CO 2 = 35 mmHg
  4. O 2 = 100 mmHg, CO 2 = 40 mmHg
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waelhammad
2022-10-19
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D: Oxygen will diffuse into the plasma from the alveoli, and carbon dioxide will diffuse the other way while a concentration gradient exists. The gradient will exist until the plasma concentrations of both gases equal the concentrations in the alveoli

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