Question

multiple choice question
a cell that phagocytizes an antigen and displays fragments of it on its surface for recognition by other cells of the immune system is a(n) ______ cell.

natural killer

antigen presenting

plasma

Explanation:

To solve this, we analyze each option:

• Natural killer cells destroy infected cells, not present antigens.
• Antigen - presenting cells (like macrophages, dendritic cells) phagocytize antigens and display their fragments on the surface to activate other immune cells.
• Plasma cells secrete antibodies, not present antigens.

So the correct option is the one related to antigen presentation.

Answer:

B. antigen presenting