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: Pathology
[{'content': 'The process of coating a paicle, such as a microbe, to target it for phagocytosis is called: \nSelect and explain. \nA. Opsonization, B. Priming, C. Activation, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Leukocytes express receptors for proteins that coat microbes. The process of coating a paicle, such as a microbe, to target it for ingestion (phagocytosis) is called opsonisation. Substances that do this are opsonins. Ref: Robbins 8th edition Chapter 2.', 'role': 'assistant'}]