Your Patient Presents with Recurring Pain Suggestive of a Duodenal

Your patient presents with recurring pain suggestive of a duodenal ulcer and is positive for antibodies against Helicobacter pylori. What allowed H. pylori to survive the transit through the gastric lumen to start the infection?

A) Buffering capacity generated by the Cag A protein
B) Use of antacids by the patient
C) Production of an urease
D) The presence of a polysaccharide capsule that protects the cells
E) The flagellum and chemotaxis that moves the organism quickly to the mucin layer