Multiple choice

An antigen is a substance that causes the immune system to produce antibodies against itself. Which type of cells are known to be involved in the initial presentation of antigen to T lymphocytes?

  1. Dendritic cells

  2. Plasma cells

  3. Neutrophil polymorphonuclear leucocytes

  4. Erythrocytes

  5. Platelets
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A Correct answer
Explanation

Dendritic cells are professional antigen processing cells. They have a number of receptors that enhance the uptake of antigens, and they specialise in converting these antigens into MHC-peptide complexes that can be recognised by lymphocytes.

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