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': 'Phocomelia is – \nSelect and explain. \nA. Absence of long bones, B. Absence of brain, C. Reduplication of bone, D. Absence of heart', 'role': 'user'}, {'content': "Answer: A \nExplanation: Phocomelia' \xa0\n\nIs a term applied to a marked reduction in the size of limbs. The distal part of the limbs are placed very near the trunk (absent long bones).\nSeen in foetuses of mothers who received thalidomide during pregnancy.", 'role': 'assistant'}]