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A 20-year-old patient presents with a bacterial infection that has

A 20-year-old patient presents with a bacterial infection that has not been fully cleared after a week of antibiotic treatment. Lab results show an increased number of CD4+ T cells, indicating an active T helper cell response. The patient’s immune system is working to fight off the infection, but the infection persists. Based on the role of T helper cells, which of the following actions is most likely taking place to enhance the patient’s immune response? • T helper cells are improving B cell activation, leading to increased production of antibodies to neutralize the bacteria. Thelper cells are preventing cytotoxic T cells from targeting infected cells to avoid tissue damage. • T helper cells are inhibiting macrophage activation to reduce inflammation and protect tissue from damage. • T helper cells are directly killing infected cells through cytotoxic activity. • T helper cells are increasing the sensitivity of natural killer (NK) cells to viral infections.

 
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