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Questions and Answers
What is the main function of endotoxin in Gram-negative bacteria?
What is the main function of endotoxin in Gram-negative bacteria?
- Facilitating the reproduction of the bacteria
- Regulating the metabolic processes within the bacteria
- Maintaining the organization and stability of the cell wall (correct)
- Preventing the entry of other microorganisms into the bacteria
What is the typical pyrogenic characteristic of endotoxin?
What is the typical pyrogenic characteristic of endotoxin?
- Causing rapid reproduction of Gram-negative bacteria
- Inactivating complement, kinin system, and leukocytes
- Preventing the release of endotoxin into the circulation
- Inducing various biological reactions even in small amounts (correct)
What symptoms may be caused by the presence of endotoxin in the bloodstream?
What symptoms may be caused by the presence of endotoxin in the bloodstream?
- Muscle pain, dizziness, and fatigue
- Cough, runny nose, and headache
- Skin rash, itching, and shortness of breath
- Fever, hypotension, nausea, shivering, and shock (correct)
Why is it not possible to completely inactivate endotoxin with autoclaving?
Why is it not possible to completely inactivate endotoxin with autoclaving?
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Where can endotoxin be found in the environment?
Where can endotoxin be found in the environment?
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Which component of LPS is responsible for the bioactivity of LPS?
Which component of LPS is responsible for the bioactivity of LPS?
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What is the role of LpxB in the lipid A biosynthesis pathway?
What is the role of LpxB in the lipid A biosynthesis pathway?
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Which bacteria produce A-B toxins?
Which bacteria produce A-B toxins?
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What is the main role of part A in A-B toxins?
What is the main role of part A in A-B toxins?
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What is the mechanism of action of Superantigens?
What is the mechanism of action of Superantigens?
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