Physiology Which of the following statements about Carbon Monoxide poisoning is not true: A Carboxy haemoglobin (COHb) causes left shift of oxyhaemoglobin dissociation curve B Paial pressuresas low as 0.6 mm Hg can be lethal C Tissue toxicity plays an impoant role in clinical CO poisoning D Hyperbaric oxygen is used for treatment 💡 Explanation Which of the following statements about Carbon Monoxide poisoning is not true: ✓ Correct Answer: C. Tissue toxicity plays an impoant role in clinical CO poisoning