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': 'A new born is noted to have a large head and short limbs. On further examination, short broad fingers, a small face, and low–normal length are noted. The trunk appears long and narrow. to confirm the diagnosis you should – \nSelect and explain. \nA. Order an ophthalmologic examination, B. Obtain skeletal radiographs, C. Order chromosome analysis, D. Examine the parents', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In case of disproportionate limbs and trunk, arrange for skeletal X-rays.', 'role': 'assistant'}]