Foundations in Microbiology 9th Edition by Kathleen Park Talaro, Barry Chess

Exercise 6

Select the correct answer from the answers provided. For questions with blanks, choose the combination of answers that most accurately completes the statement. The direct, immediate cause of allergic symptoms is the action of
A) the allergen directly on smooth muscle
B) the allergen on B lymphocytes
C) allergic mediators released from mast cells and basophils
D) IgE on smooth muscle