This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'Number of vertebrae in human vertebral column is \nSelect and explain. \nA. 30, B. 31, C. 32, D. 33', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) 33# Human vertebral column usually consists of 33 vertebrae:> 24 Presacral vertebrae: 7 cervical, 12 thoracic, and 5 lumbar)> Sacral veretebrae (5 fused sacral vertebrae) and> Coccyx vertebrae (4 frequently fused coccygeal vertebrae).', 'role': 'assistant'}]