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
Sarcolemma is the cell wall surrounding: 
Select and explain. 
A. Neurons, B. Muscle cells, C. Red blood cells, D. None of the above
B: Muscle cells
Answer: B: Muscle cells 
Explanation: Each muscle fiber is a single cell that is multinucleated, long, cylindrical, and surrounded by a cell membrane, the sarcolemma. Ref: Ganong's Review of Medical Physiology 23rd edition, Chapter 45.