Medicine Characteristic of type-II respiratory failure is: September 2010 A Low PaO2 and low PaCO2 B Low PaO2 and normal PaCO2 C Normal PaO2 and high PaCO2 D Low PaO2 and high PaCO2 💡 Explanation Characteristic of type-II respiratory failure is: September 2010 ✓ Correct Answer: D. Low PaO2 and high PaCO2