This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'The kidney normally does NOT allow transglomerular passage of \nSelect and explain. \nA. B-2 microglobulin, B. Lysozyme, C. Myoglobin, D. Immunoglobulin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The kidney normally does NOT allow transglomerular passage of B-2 microglobulin Beta-2 microglobulin or b2 microglobulin also known as B2M is a component of MHC class I molecules, which are present on all nucleated cells(excludes red blood cells).Ref: Ganong&;s review of medical physiology; 24th edition; Page no: 678', 'role': 'assistant'}]