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
All are true about FTA-ABS in Syphilis, except ? 
Select and explain. 
A. FTA - ABS becomes negative after treatment, B. Present in secondary syphilis, C. It is a specific test, D. May be positive in Lyme's disease
A: FTA - ABS becomes negative after treatment
Answer: A: FTA - ABS becomes negative after treatment 
Explanation: Ans. is 'a' i.e., FTA-ABS becomes negative after treatment . Specific treponemal tests (FTA-ABS, TPHA, TPI) are of little value as indicators of clinical cure, as they tend to remain positive inspite of treatment.