Multiple Choice
Which type of cell directly attacks infected cells in the immune system?
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21. The Immune System
Introduction to Cells of the Immune System
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Which of the following are antigen-presenting cells?
A
Erythrocytes
B
Macrophages
C
Platelets
D
Neutrophils
Verified step by step guidance1
Understand the role of antigen-presenting cells (APCs) in the immune system. APCs are crucial for initiating the immune response by processing and presenting antigens to T-cells.
Identify the types of cells that are known to function as antigen-presenting cells. Common APCs include dendritic cells, macrophages, and B cells.
Evaluate the list of cell types provided in the problem: Erythrocytes, Macrophages, Platelets, and Neutrophils.
Recall that erythrocytes (red blood cells) and platelets are primarily involved in oxygen transport and blood clotting, respectively, and do not have a role in antigen presentation.
Recognize that macrophages are a type of white blood cell that can engulf pathogens and present antigens to T-cells, making them antigen-presenting cells.
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