This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gaseous exchange, Subject name: Physiology
Adequate oxygen is delivered to the tissues in 
Select and explain. 
A. Hypoxic hypoxia, B. Stagnant hypoxia, C. Anemic hypoxia, D. Histotoxic hypoxia
D: Histotoxic hypoxia
Answer: D: Histotoxic hypoxia 
Explanation: - In hypoxic, anemic, and stagnant types of hypoxia, oxygen delivery to tissues is reduced. In histotoxic hypoxia, oxygen delivered to tissues is normal; however, tissues are unable to utilize the oxygen.