Christopher consumed food tainted with listeria monocytogenes. when this bacterium enters the digestive tract, it causes illness and sometimes death. what can the lymphatic system do to christopher fight this infection?

a. the spleen can remove listeria from the blood

b. the thymus can produce b cells that target listeria

c. the lymphatics can remove listeria from lymph

d. the peyer’s patches can release b cells to destroy listeria

D. The Peyer’s patches can release B cells to destroy Listeria

(D). The Peyer’s patches can release B cells to destroy Listeria.

Explanation:

Payer's patches represent aggregated lymphatic tissue present in lowest part of small intestine. The main function of Payer's patches is to prevent growth of pathogens, such as bacteria in gut.

B lymphocytes present in Payer's patches produce antibodies against pathogens or their components and help other immune cells, such as T cells or macrophages to kill them.

Hence, Payer's patches of Christopher would fight with listeria infection. Thus, the correct answer is option (D).

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