In response to the presence of endotoxin, phagocytes secrete tumor necrosis factor. This causesGroup of answer choicesthe disease to subside.a fever.a aram-negative infection.an increase in red blood cells.a decrease in blood pressure.
Question
In response to the presence of endotoxin, phagocytes secrete tumor necrosis factor. This causesGroup of answer choicesthe disease to subside.a fever.a aram-negative infection.an increase in red blood cells.a decrease in blood pressure.
Solution
In response to the presence of endotoxin, phagocytes secrete tumor necrosis factor. This causes a fever. Endotoxins are part of the outer membrane of the cell wall of Gram-negative bacteria. The immune system recognizes them as harmful and responds. Phagocytes, a type of white blood cell, respond by secreting tumor necrosis factor (TNF). TNF is a cytokine, a type of signaling molecule that is used in the immune system. One of the effects of TNF is to induce fever, which is part of the body's defense mechanism against infection.
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Which of the following diseases has symptoms due to endotoxin production?
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