This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Action potential is generated in excitable cells. All the following are excitable cells, except: 
Select and explain. 
A. Nerve cells, B. Neuroglial cells, C. Glands, D. Muscle
B: Neuroglial cells
Answer: B: Neuroglial cells 
Explanation: The main difference between the nerve and the glial cells are the possession of axons and dendrites and the capacity to generate action potentials. Ref: Choudary Physiology, 6th Edition, Pages 7, 19