asked 62.3k views
2 votes
An allergic response is NOT typically caused by

A. Harmless antigens
B. Pollen
C. Histamine
D. Both A and C

I'm conflicted because histamine causes the physical response but pollen and harmless antigens cause histamine

1 Answer

4 votes
I think the answer is D. Both a and b
answered
User Gaetano Mendola
by
7.9k points
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