This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anaesthesia
Coma due to cerebral hypoxia is treated by- 
Select and explain. 
A. Analeptics, B. Steroids, C. CO2-O2 mixture, D. 100% PO2
D: 100% PO2
Answer: D: 100% PO2 
Explanation: (D) 100% O2 Coma due to cerebral hypoxia is treated by 100% 02