Medicine Cyanosis cannot occur in severe anaemia because A Anaemic blood has a higher O2 carrying capacity per gram of Hb B It requires a critical concentration of reduced Hb in blood C Patient improves his alveolar oxygen as a compensation for anaemia D There is an increased blood flow through the skin 💡 Explanation Cyanosis cannot occur in severe anaemia because ✓ Correct Answer: B. It requires a critical concentration of reduced Hb in blood