Physiology Cyanosis does not occur in severe anemia because A Hypoxia stimulates erythropoietin secretion B Oxygen carrying capacity of available Hb is increased C Critical concentration of Hb required to produce cyanosis is reduced D Oxygen Dissociation Curve shifts to right 💡 Explanation Cyanosis does not occur in severe anemia because ✓ Correct Answer: C. Critical concentration of Hb required to produce cyanosis is reduced