CD4+ helper T cells primarily recognize antigens presented by:
Show answer and explanation
Correct answer: MHC class II
CD4+ T helper cells recognize peptides presented by MHC class II molecules. These are expressed on antigen-presenting cells such as macrophages and dendritic cells.
Keep practicing
More Cell-Mediated Immunity questions
- Which cytokine is critical for macrophage activation in cell-mediated immunity?
- The delayed-type hypersensitivity reaction is an example of which immune mechanism?
- Which T helper subset is primarily involved in defense against intracellular bacteria?
- Which molecule provides a key costimulatory signal for T-cell activation?
- Which cell type is most important for antigen presentation to naive T cells?
- Cytotoxic T lymphocytes induce apoptosis of target cells primarily through: