Hyperventilation causes A.) no change in CO 2 partial pressure in the alveolar g

Question

Hyperventilation causes A.) no change in CO 2 partial pressure in the alveolar gas. CO 2 partial pressure changes only in the blood. B.) A decline in CO 2 partial pressure in the alveolar gas, maintaining a level below that in the blood of the pulmonary arteries C.) A decline in CO 2 partial pressure in the alveolar gas, to a level slightly higher than that in the blood of the pulmonary arteries D.) an increase in the in CO 2 partial pressure in the alveolar gas to a level slightly higher than that in the blood of the pulmonary arteries E.) an increase in the in CO 2 partial pressure in the alveolar gas to a level much higher than that in the blood of the pulmonary arteries

Explanation / Answer

Hyperventilation occurs when more amount of carbon dioxide is removed from blood. This decreases the partial pressure of carbon dioxide resulting in respiratory alkalosis. So, the correct option is option C, A decline in CO2 partial pressure in the alveolar gas, to a level slightly higher than that in the blood of the pulmonary arteries.

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