Most common cause of cell Injury at level of cells?: (A) Hypoxia, (B) Ischemia, (C) CO poisoning, (D) Anemia
Answer is A. 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.