This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Hypoxia due to the slowing of circulation is seen in which anemia? 
Select and explain. 
A. Anemic anemia, B. Histotoxic, C. Hea disease, D. Stagnant
D: Stagnant
Answer: D: Stagnant 
Explanation: (Refer: Ganong&;s Review of Medical physiology 24th edition, pg no: 649,653)