The signs and symptoms of infection with Helicobacter pylori are the result of
A. damage to the lining of blood vessels by H. pylori.
B. invasion by H. pylori into the mucosa of the large intestine.
C. invasion by H. pylori into the mucosa of the stomach.
D. the production of exotoxins by H. pylori in the intestines.
E. the production of toxins by H. pylori in contaminated food.
Answer: C
You might also like to view...
The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.
A. flagellum B. vesicle C. cilium D. pilus
Shape of articular surface
What will be an ideal response?
What is the main biochemical function of the electron transport chain?
A) to break glucose into pyruvic acid B) to add phosphate groups to ATP C) to regenerate OAA D) to force hydrogen ions through ATP synthase
Which of the following two mutagens that would be classified as base analogs?
A) acridine orange and proflavine B) hydroxyurea and peroxidase C) ethylmethane sulfonate and ethylmethylketone peroxide D) ultraviolet light and cosmic radiation E) 5-Bromouracil and 2-amino purine