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: Pediatrics
[{'content': 'All are causes of infantile tremor syndrome EXCEPT: \nSelect and explain. \nA. Malnutrition, B. Magnesium deficiency, C. Infections, D. Vitamin B1 deficency', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Vitamin B1 deficency REF: OP Ghai ed p. 558 Vitamin B 12 deficiency not B1 deficiency causes infantile tremor syndrome Causes of infantile tremor syndrome: Malnutrition Vitamin B12 deficiency Infections Magnesium deficiency Toxins Tyrosinase defects', 'role': 'assistant'}]