Bacterial Pathogens

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What are pathogenic microorganisms?
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Pathogenic microorganisms are bacteria, viruses, fungi, or parasites that can cause disease in their host.
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What is the primary mechanism by which bacteria cause disease?
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The primary mechanism by which bacteria cause disease is through the production of toxins that damage host tissues or interfere with normal function.
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Which bacteria is responsible for strep throat?
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Streptococcus pyogenes is the bacteria responsible for strep throat.
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What is MRSA and why is it concerning?
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MRSA is Methicillin-resistant Staphylococcus aureus, a type of bacteria that is resistant to several antibiotics.
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Explain the significance of E. coli in human infections.
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E. coli can be part of the normal gut flora but certain strains, like E. coli O157:H7, can cause severe foodborne illnesses.
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What role do antibiotics play in treating bacterial infections?
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Antibiotics are medications that kill bacteria or inhibit their growth, playing a crucial role in treating bacterial infections.
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How is tuberculosis transmitted and what bacterium causes it?
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Tuberculosis is transmitted through airborne droplets and is caused by the bacterium Mycobacterium tuberculosis.
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What is Lyme disease and which bacterium causes it?
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Lyme disease is caused by the bacterium Borrelia burgdorferi, transmitted to humans through tick bites.
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What conditions do pathogenic bacteria need to thrive?
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Pathogenic bacteria often need warm, moist environments with nutrients to thrive, commonly found in the human body.
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