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
The protein found in the amyloid deposits in senile systemic amyloidosis is 
Select and explain. 
A. AL protein, B. â2 microglobulin, C. â-amyloid protein, D. Transthyretin
D: Transthyretin
Answer: D: Transthyretin 
Explanation: None