Physiology 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 💡 Explanation Cyanosis does not occur in severe anemia because - ✓ Correct Answer: C. Critical concentration of Hb required to produce Cyanosis is reduced