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
Systemic military TB occurs when spread occurs - 
Select and explain. 
A. Aerial, B. Venous, C. Lymphatic, D. Direct dissemination
B: Venous
Answer: B: Venous 
Explanation: Answer- B. VenousSystemic miliary tuberculosis occurs when tubercle bacteria disseminate through the systemic aerial system.Miliarpuberculosis is most prominent in the liver, bone marrow, spleen, adrenals, meninges, kidneys, fallopian tubes, and epi-didymis, but could involve any organ.