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
Most sensitive test for diagnosing chlamydia: 
Select and explain. 
A. Gram's staining, B. Nucleic acid amplification testing, C. Elis A, D. Fluoresant microscopy
B: Nucleic acid amplification testing
Answer: B: Nucleic acid amplification testing 
Explanation: Ans. (b) Nucleic acid amplification testing