This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infection, Subject name: Medicine
Which of these is a pathognomonic feature of miliary TB? 
Select and explain. 
A. Snow storm appearance in CXR, B. Choroid tubercles on fundus examination, C. Pericardial TB, D. Peritoneal TB
B: Choroid tubercles on fundus examination
Answer: B: Choroid tubercles on fundus examination 
Explanation: Snow storm appearance in CXR can be seen in silicosis also Pericardial TB &Peritoneal TB- features of disseminated TB Choroid tubercles on fundus examination is a pathognomic feature of Miliary TB.