Medicine Respiratory system 8708bb2f 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 High-Yield Explanation Cyanosis seen when deoxygenated hb >4 gm. so in severe anemia where HB less than 4 gm we cannot see cyanosis.