Which of the following is false regarding H pylori ?
Ans. is 'a' i.e., With chronic infection urease breath test become negative . Urea breath test is the most consistently accurate test for diagnosis of H. Pylori infection. . It is useful for follow-up after treatment, as it becomes negative after treatment. . In chronic infection it remains positive. About other options . Most H. pylori - colonized person do not develop clinical sequelae. They may carry infection life long. . Endoscopic culture is the most specific test. . Ulcer is caused by strains carrying vacuolating cytotoxin gene.
With chronic infection urease breath test become negative
H. pylori infection remains life long if untreated
Endoscopy is diagnostic
Toxigenic strains usually cause ulcer