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: Surgery
[{'content': 'Which of the following components of the immune system is responsible for the secretion of lymphokines? \nSelect and explain. \nA. B lymphocytes, B. Eosinophils, C. Macrophages, D. T lymphocytes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: T lymphocytes Antigen interaction with T lymphocytes precipitates the release of lymphokines, substances that modulate other aspects of the immune response. Examples of lymphokines include the interleukins, granulocyte-monocyte colony-stimulating factor (GM-CSF), and y-interferon. B lymphocytes secrete immunoglobulins, the humoral component of adaptive immunity. Eosinophils, neutrophils, and macrophages are phagocytic cells comprising the cellular component of the natural immune response.', 'role': 'assistant'}]