The pathophysiology class is learning about chemical mediators in allergic reactions. A person who has a Type I hypersensitivity reaction may have what if chemical mediators continue to be released in the body?
A) A Type III reaction
B) A delayed reaction
C) A cytotoxic reaction
D) A Type II reaction
Ans: B
Feedback: Primary chemical mediators are responsible for the symptoms of Type I hypersensitivity because of their effects on the skin, lungs, and gastrointestinal tract. If chemical mediators continue to be released, a delayed reaction may occur and may last for up to 24 hours. If chemical mediators continue to be released the patient would not have a cytotoxic reaction, or a Type III or Type II reaction.
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