Human Digestive System Microorganisms
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Questions and Answers

What is the enzyme produced by H. pylori that converts urea to ammonia?

  • Amylase
  • Protease
  • Lipase
  • Urease (correct)
  • Which bacterium causes human gas gangrene and produces an exotoxin leading to abdominal pain and diarrhea?

  • Clostridium perfringens (correct)
  • Escherichia coli
  • Streptococcus pyogenes
  • Salmonella enterica
  • What antibiotic is commonly used to treat Clostridium difficile–associated diarrhea?

  • Tetracycline
  • Ciprofloxacin
  • Penicillin
  • Vancomycin (correct)
  • Which virus primarily infects the parotid glands, one of the three pairs of salivary glands in the digestive system?

    <p>Mumps virus</p> Signup and view all the answers

    In what phase is Clostridium perfringens classified based on its ability to form endospores?

    <p>Endospore-forming</p> Signup and view all the answers

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