Medicine CO poisoning is characterized by -a) Lt. shift of O2 dissociation curveb) ↓ PaCO2c) ↓ P50d) ↓ O2 Contente) Smoking is a predisposing factor A acd B bde C abd D ade 💡 Explanation CO poisoning is characterized by -a) Lt. shift of O2 dissociation curveb) ↓ PaCO2c) ↓ P50d) ↓ O2 Contente) Smoking is a predisposing factor ✓ Correct Answer: B. bde