What will be the immediate action of an allergen when it enters the body for a second time?
A) Binding of allergen to adjacent IgE binding sites on mast cells and basophils
B) Histamine acts on smooth muscle
C) Prostaglandins cause vasodilation and increased vascular permeability
D) Binding of IgE by the Fc region to mast cells and basophils
E) Degranulation
Correct Answer:
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Q4: A second encounter with an allergen that
Q5: Which of the following is not a
Q6: Which type/s of hypersensitivities is IgG is
Q6: Which of the following pairs is mismatched?
A)Food
Q7: Any heightened immune response resulting in tissue
Q10: Fungal spores and animal dander are considered
Q11: Allergies run in families because
A)the variable region
Q13: A chronic, local allergy such as hay
Q15: Which event occurs with the sensitizing dose
Q16: The initial encounter with an allergen is
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