Poison ivy contains a toxin that acts as a hapten by
A) raising the body's sensitivity to a wide variety of chemicals such as penicillin.
B) cutting plasma protein antibodies in half.
C) preventing effective immune responses by blocking release of bradykinin.
D) combining with a body protein and then triggering an immune response.

Question

Quizplus · Accepted Answer

Poison ivy contains urushiol, which acts as a hapten by binding to skin proteins, modifying them and making them appear foreign to the immune system, thus triggering an immune response.

Poison Ivy Contains a Toxin That Acts as a Hapten