Cyanosis does not occur in severe anemia because -: (A) Hypoxia stimulates erythropoietin production, (B) Oxygen carrying capacity of available Hb is increased, (C) Critical concentration of Hb required to produce Cyanosis is reduced, (D) Oxygen hemoglobin curve shift to the right
Answer is C. Ans. (c) Critical concentration of Hb required to produce Cyanosis is reduced(Ref: Ganongy 25th ed/p.646)Cyanosis is not seen in anemic hypoxia because critical concentration of Hb required to produce cyanosis is reduced