A patient presents in the emergency room with large red lesions up and down his arms. His case history reveals that he works for a gardening company, and that this rash most likely developed after clearing a weedy bank two days prior. The resident on duty concludes that the rash is a result of poison ivy exposure. Immunologically speaking, what is going on in this man's body, and what type of immune response is he experiencing?

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The Answer of A patient presents in the emergency room with large red lesions up and down his arms. His case history reveals that he works for a gardening company, and that this rash most likely developed after clearing a weedy bank two days prior. The resident on duty concludes that the rash is a result of poison ivy exposure. Immunologically speaking, what is going on in this man's body, and what type of immune response is he experiencing?

A Patient Presents in the Emergency Room with Large Red