This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Cause of Tuberculosis of fallopian tube is due to NOT RELATED-GYN 
Select and explain. 
A. Hematogenous spread, B. Lymphatic spread, C. Ascending infection, D. Primary infection
A: Hematogenous spread
Answer: A: Hematogenous spread 
Explanation: Hematogenous from other primary sources