Asked by Chuck Bass
Pneumonia and some cases of food poisoning can be caused by bacteria that are a normal part of the human microbiota.
True
False
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Answered by
GPT-5 mini
AI
True.
Normal microbiota can become opportunistic pathogens (or produce toxins) and cause disease when they reach normally sterile sites, overgrow, or the host is weakened. Examples: Streptococcus pneumoniae or Staphylococcus aureus from the nasopharynx can cause pneumonia; Staphylococcus aureus enterotoxin (from carrier skin/nasal flora) or some Clostridium/Escherichia strains in the gut can cause food poisoning.
Normal microbiota can become opportunistic pathogens (or produce toxins) and cause disease when they reach normally sterile sites, overgrow, or the host is weakened. Examples: Streptococcus pneumoniae or Staphylococcus aureus from the nasopharynx can cause pneumonia; Staphylococcus aureus enterotoxin (from carrier skin/nasal flora) or some Clostridium/Escherichia strains in the gut can cause food poisoning.
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