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': 'Systemic miliary TB occurs when spread occurs ? \nSelect and explain. \nA. Aerial, B. Venous, C. Lymphatic, D. Direct dissemination', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Aerial Systemic miliary tuberculosis occurs when tubercle bacteria disseminate through the systemic aerial system. Miliarytuberculosis is most prominent in the liver, bone marrow, spleen, adrenals, meninges, kidneys, fallopian tubes, and epi- didymis, but could involve any organ. Miliary pulmonary disease occurs when organisms draining through lymphatics enter the venous blood and circulate back to the lung.", 'role': 'assistant'}]