H. Pylori serology

Q) Which of the following is the primary reason why serology is not recommended for evaluating H. pylori treatment success? Q from next INI GI MOck test # Stomach

A) Serological tests are less sensitive than stool antigen and urea breath tests.
B) Antibody levels can remain elevated for months to years after infection is eradicated.
C) Serological tests lack the ability to detect IgG antibodies accurately.
D) Serology tests have a specificity of less than 50%.

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