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Question

The causative agent of peptic ulcer is:

A
Helicobacter pylori
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B
Escherichia coli
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C
Staphylococcus aurous
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D
Lactobacillus
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Solution

The correct option is A Helicobacter pylori
Common causes of peptic ulcers are infection with the bacterium Helicobacter pylori. Peptic ulcer occurs when open sores, or ulcers form in the stomach or first part of the small intestine.

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