Why does a bee sting cause pain and irritation?
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A.
The sting contains a strong base.
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B.
The sting injects a mild sugar solution.
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C.
The sting releases carbon dioxide gas.
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D.
The sting injects methanoic acid.
Correct Answer:
D. The sting injects methanoic acid.
Explanation:
The correct answer is that a bee sting injects methanoic acid, also known as formic acid. When a bee stings, it releases a complex acidic venom into the skin, with methanoic acid being a primary component that contributes to the immediate burning sensation and localized inflammation. This acid lowers the pH level at the site of the sting, which triggers pain receptors and causes irritation, redness, and swelling. While the venom also contains various peptides and enzymes like melittin that further damage cells and intensify the immune response, the presence of methanoic acid is the fundamental reason why applying a mild base, such as baking soda, is often recommended as a traditional remedy to help neutralize the acidity and provide relief.
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