INBDE (Integrated National Board Dental Examination) Practice Exam

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The outer cortex of lymph nodes contains which cells?

Macrophages
T cells
B cells
Neutrophils

The correct answer is: B cells

The outer cortex of lymph nodes contains B cells. B cells are an essential part of the adaptive immune system and play a crucial role in the production of antibodies to help fight off pathogens. In lymph nodes, B cells are primarily located in the outer cortex along with other immune cells. Macrophages are usually found in the medulla, while T cells can be found in both the cortex and paracortex. Neutrophils are not typically found in high concentrations in lymph nodes but are important in the innate immune response.