This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
[{'content': 'Scurvy is due to deficiency of \nSelect and explain. \nA. Vitamin C, B. Vitamin A, C. Vitamin K, D. Vitamin E', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Deficiency of ascorbic acid results in scurvy, a disease characterized by sore and spongy gums, loose teeth, fragile blood vessels, swollen joints, and anemia. Many of the deficiency symptoms can be explained by a deficiency in the hydroxylation of collagen, resulting in defective connective tissue.Reference: Lippincott; 5th Edition; Page no: 377', 'role': 'assistant'}]