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: Unknown
Bacillary angiomatosis is caused by 
Select and explain. 
A. Bartonella henselae, B. Hansen’s bacillus, C. Koch’s bacillus, D. H. ducreyi
A: Bartonella henselae
Answer: A: Bartonella henselae 
Explanation: Henselae causes bacillary angiomatosis, a condition resembling Kaposi’s sarcoma in patients with AIDS. The skin, lymph nodes or liver and spleen are primarily involved in this condition. The bacteria also cause sub acute bacterial endocarditis.