This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basic Concepts, Subject name: Pathology
[{'content': 'Most common cause of cell Injury at level of cells? \nSelect and explain. \nA. Hypoxia, B. Ischemia, C. CO poisoning, D. Anemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hypoxia Deficiency of oxygen,which causes cell injury by reducing aerobic oxidative respiration Extremely impoant and most common cause of cell injury and cell death. Causes:- Reduced blood flow (ischemia) Cardiorespiratory failure Anemia or carbon monoxide poisoning or after severe blood loss (Decreased oxygen-carrying capacity of the blood). Depending on the severity of the hypoxic state, cells may adapt, undergo injury, or die.', 'role': 'assistant'}]