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
Cells most sensitive to hypoxia are: 
Select and explain. 
A. Myocardial cells, B. Neurons, C. Hepatocytes, D. Renal tubular epithelial cells
B: Neurons
Answer: B: Neurons 
Explanation: The most sensitive neurons in the brain are in the pyramidal cell layer of the hippocampus (especially area CA1, also referred to as Sommer sector), cerebellar Purkinje cells and pyramidal neurons in cerebral coex. Time for neuronal injury- 2 min For Myocardial cells- 20 mins Zones of liver: Zone 1- susceptible to toxin mediated injury Zone 3- susceptible to ischemic injury