AH of the following are true about H. pylori EXCEPT: (A) Maximum concentration is in gastric pit, (B) Urease breath test is sensitive, (C) Gram negative spiral rod, (D) Blood group A is more susceptible
Answer is A. (A) Maximum concentration is in gastric pit# H. pylori is a Gram-negative spiral rod, motile by a unipolar tuft of lopotrichous flagella.> The bacteria are present only in the overlying mucus & do not invade the mucosa. Gastric antrum is the commonest site of colonization, though any part of the stomach may be involved.