(Easy Questions)
Which of the following statements about mucosal immunity are correct?

Question

(Easy Questions) 
 Which of the following statements about mucosal immunity are correct?

Answer

M cells sample luminal antigens and deliver them to underlying immune cells

Answer

The mucosal immune system functions independently of epithelial cells

Answer

Intraepithelial lymphocytes are absent from the intestinal epithelium

Answer

Peyer’s patches are found only in the thymus

Answer

Secretory IgA is mainly a monomer without epithelial transport

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