Which of the following is the first response of the mucosal health defense system to pathogen assault? Secretion of antimicrobial peptides Activation of neutrophils Secretion of immunoglobulin G (IgG) Secretion of immunoglobulin A (IgA)
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Secretory IgA protects external mucosal surfaces by: Select one: a. Preventing microbial adherence to the mucosa. b. Binding to epithelial cells. c. Its secretory piece. d. Recruiting phagocytic cells. e. Triggering mast cells.
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