This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Decreased oxygen carrying capacity of blood with normal p02 in aerial blood is a feature of: March 2013 
Select and explain. 
A. Carbon monoxide poisoning, B. COPD, C. Hypoxic hypoxia, D. Anemic hypoxia
D: Anemic hypoxia
Answer: D: Anemic hypoxia 
Explanation: Ans. D i.e. Anemic hypoxia Anemic hypoxia It is a state in which the aerial paial pressure of oxygen is normal, but total oxygen content of the blood is reduced due to a decreased ability for hemoglobin to carry oxygen. Anemic hypoxia occurs in chronic anemia and carbon monoxide poisoning.