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: Microbiology
Chlamydia in asymptomatic carriers, the most sensitive test is - 
Select and explain. 
A. Tissue culture, B. Nucleic acid amplification test, C. Serology, D. Serum electrophoresis
B: Nucleic acid amplification test
Answer: B: Nucleic acid amplification test 
Explanation: None