17. Which of the following causes can cause mast cells to degranulate? a. hypersensitivity to pollen b. anti-A antibodies c. first exposure to an antigen d. the binding of IgG to mast cells e. the binding of IgG to pollen on the second exposure to that pollen

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Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.