High School

What is the effect of a 2-5 mmHg increase in PCl₃ on alveolar ventilation?

1) Alveolar ventilation decreases
2) Alveolar ventilation remains the same
3) Alveolar ventilation increases
4) Cannot be determined

Answer :

Final answer:

Alveolar ventilation increases with a 2-5 mmHg increase in PCl₃.

Explanation:

A 2-5 mmHg increase in PCl₃ can more than double alveolar ventilation via stimulation of the central chemoreceptors. The central chemoreceptors are not sensitive to PO₂ or blood pH. Therefore, the effect of a 2-5 mmHg increase in PCl₃ on alveolar ventilation is 3) Alveolar ventilation increases.

Other Questions