Which of the following statements regarding ulcers is true?
A) Helicobacter pylori is a bacterium that lives in stomach acid and causes stomach ulcers.
B) Stress is the primary cause of ulcers.
C) Spicy foods and an unhealthy diet are the primary causes of ulcers.
D) Ulcers are uniquely genetic and stress has nothing to do with the symptoms of ulcers.
Answer: A
Rationale: Most ulcers are caused by a bacterium, Helicobacter pylori, which can cause inflammation of the lining of various regions of the digestive tract. Stress and diet can worsen the symptoms of ulcers, but are not the primary cause of them.
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Fill in the blank(s) with the appropriate word(s).