Q:

If arterial blood entering the lung has pCO 2 = 46 mmHg & alveolar air has pCO 2 = 40 mmHg then

waelhammad
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2022-10-19
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If arterial blood entering the lung has pCO 2 = 46 mmHg & alveolar air has pCO 2 = 40 mmHg then

  1. CO 2 will move out of blood into the alveoli
  2. CO 2 will move out of alveoli into the blood
  3. blood leaving the alveoli will have pCO 2 = 43 mmHg
  4. there will be an increase in the concentration of carbonic acid in the blood
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waelhammad
2022-10-19
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A: Carbon dioxide will diffuse in the direction of its concentration gradient. From high concentration in blood (46 mmHg) to alveoli (40 mmHg). 

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