What Effect Would Upper Airway Obstruction Have on Ventilation-Perfusion Ratio

question 16

Multiple Choice

What effect would upper airway obstruction have on ventilation-perfusion ratio, PAO₂ and PACO₂ ?

• A) The V/Q ratio and PACO₂ will decrease and PAO₂ will increase.
• B) The V/Q ratio and PAO₂ will decrease and PACO₂ will increase.
• C) The V/Q ratio and PAO₂ will increase and PACO₂ will decrease.
• D) The V/Q ratio and PACO₂ will increase and PAO₂ will decrease.

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