The Paco 2 decreases when:

Paco2 decreases when alveolar ventilation increases relative to CO2 production. Increased ventilation expels more CO2, and decreased CO2 production and dead space further reduce Paco2.

The Paco 2 decreases when:

Paco2 decreases when alveolar ventilation increases relative to CO2 production. Increased ventilation expels more CO2, and decreased CO2 production and dead space further reduce Paco2.

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The Paco₂ Decreases When

Question 10

Multiple Choice

The Paco₂ decreases when:

A) Alveolar ventilation and CO₂ production are increased and dead space is increased.
B) Alveolar ventilation is decreased,CO₂ production is unchanged,and dead space is increased.
C) Alveolar ventilation is increased and CO₂ production and dead space are decreased.
D) Both alveolar ventilation and CO₂ production are decreased and dead space is increased.

Correct Answer: