This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Reversible Cell Injury, Subject name: Pathology
[{'content': 'Hypoxia is the common cause of cell injury and all of the mentioned are causes of hypoxia, except: \nSelect and explain. \nA. Ischemia, B. Respiratory failure, C. Carbon monoxide poisoning, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hypoxia is an extremely impoant and common cause of cell injury and cell death. Causes of hypoxia include:- Reduced blood flow (ischemia) Inadequate oxygenation of the blood due to cardiorespiratory failure Decreased oxygen-carrying capacity of the blood, as in anemia or carbon monoxide poisoning (producing a stable carbon monoxyhemoglobin that blocks oxygen carriage) or after severe blood loss.', 'role': 'assistant'}]