This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Chediak higashi syndrome, true is - \nSelect and explain. \nA. Defect in phagocytosis, B. Neutropenia, C. Agammaglobulinemia, D. IgA defficiency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chediak-Higashi syndrome is autosomal recessive disorder. Polymorphonuclear leucocytes here possess larger lysosomes. These abnormal lysosomes do not fuse with phagosome. - this leucocytes posses diminished phagocytic activity. Reference : Baveja text book of microbiology, 4th edition, pg no:153 <\\p>', 'role': 'assistant'}]