This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'A newborn baby was born with phocomelia. It results due to which drug taken by mother during pregnancy? \nSelect and explain. \nA. Tetracycline, B. Thalidomide, C. Warfarin, D. Alcohol', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Thalidomide disaster (1958-61) resulting in thousands of babies born with phocomelia (seal-like limbs) and other defects focused attention to this type of adverse effect. Tetracyclines cause discolored and deformed teeth, retarded bone growth in children Warfarin causes depressed nose; eye and hand defects, growth retardation in childrenAlcohol causes low IQ baby, growth retardation, fetal alcohol syndrome in children Ref; KD Tripathi pharmacology 7 th editon (page no; 89)', 'role': 'assistant'}]