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
Congenital toxoplasmosis not true: 
Select and explain. 
A. IgA is more sensitive than IgM, B. An increase in IgM beyond 1st week of life is diagnostic, C. IgG is diagnostic, D. Dye test is used
C: IgG is diagnostic
Answer: C: IgG is diagnostic 
Explanation: Ans. (c) IgG is diagnostic