AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The following are examples of APCs except:
A
Dendritic Cells
B
Macrophages
C
B-lymphocytes
D
T-lymphocytes (helper)
Explanation: 

Detailed explanation-1: -Professional antigen presenting cells (APCs) are immune cells that specialize in presenting an antigen to a T-cell. The main types of professional APCs are dendritic cells (DC), macrophages, and B cells.

Detailed explanation-2: -ANTIGEN-PRESENTING CELLS Professional APCs include dendritic cells, macrophages, and B cells, whereas nonprofessional APCs that function in antigen presentation for only brief periods include thymic epithelial cells and vascular endothelial cells.

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