A Patient with a Peptic Ulcer Has Been Diagnosed with H

A patient with a peptic ulcer has been diagnosed with H. pylori. The provider has ordered lansoprazole (Prevacid) , clarithromycin (Biaxin) , and metronidazole (Flagyl) . The patient asks the nurse why two antibiotics are needed. The nurse will explain that two antibiotics

A) allow for less toxic dosing.
B) combat bacterial resistance.
C) have synergistic effects.
D) improve acid suppression.