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2. Which of the following is caused by a histamine release during an allergic reaction?

A. Drying and reduction of mucus in the bronchi of the lungs
B. Vasoconstriction
C. Bronchodilation
D. Increased leakage of fluids from blood vessels

1 Answer

3 votes
Vasoconstriction is caused by the release of histamines during an allergic reaction.
User Shark Deng
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