Why does a bee sting cause pain and irritation?
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A.
The sting injects a mild sugar solution.
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B.
The sting contains a strong base.
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C.
The sting injects methanoic acid.
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D.
The sting releases carbon dioxide gas.
Correct Answer:
C. The sting injects methanoic acid.
Explanation:
A bee sting causes pain and irritation because the honeybee's stinger injects an acidic liquid into the skin. Specifically, this fluid contains methanoic acid (also known as formic acid) along with other proteins and enzymes that trigger an inflammatory response. The presence of this acid lowers the pH level of the skin tissue, causing the characteristic burning sensation and swelling. Neutralizing the area with a mild base, such as baking soda, can often help alleviate the discomfort caused by the acidic sting.
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