This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Chediak_higashi syndrome is due to defect in \nSelect and explain. \nA. Opsonisation, B. Chemotaxis, C. LAD, D. Extracellular microbacterial killing', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref Walter and Israel 7/e p150 Chediak Higashi syndrome is an autosomal ressive Condition in which polymorphs exhibit defective random movements , defective chemotaxis and impairee degranulation on phagocytosis paicles', 'role': 'assistant'}]