Which of the following is true of immediate hypersensitivities?
A. They are also called type IV hypersensitivities.
B. They are are adaptive immune responses to disease organisms.
C. They include allergic contact dermatitis.
D. They involve IgE antibodies and the release of histamine from mast cells and basophils.
Answer:D
Which of the following is true of immediate hypersensitivities?
A. They are also called type IV hypersensitivities. B. They are are adaptive immune responses to disease organisms. C. They include allergic contact dermatitis. D. They involve IgE antibodies and the release of histamine from mast cells and basophils.