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What is the main causative organism for peptic ulcer?
1. Escherichia coli
2. Streptococci
3. Helicobacter pylori
4. Staphylococci

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Correct Answer - Option 3 : Helicobacter pylori

Concept:

  • Helicobacter pylori is a bacteria that causes peptic ulcers.
  • It lives in the digestive tract.
  • It is common in children.
  • The other causes of peptic ulcers:
    • Long term use of NSAIDs
    • Smoking

Explanation:

Escherichia coli It may cause diarrhoea and sometimes UTI.
Streptococci It may cause Group A streptococcal disease spread by air droplets.
Staphylococci It may lead to abscesses (boils), furuncles, and cellulitis

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