What is the purpose of the cell labeled A?
A)The cell is going to phagocytize the helper T cell.
B)The cell is presenting an antigen that will activate the helper T cell.
C)The cell is sending the antigen to the helper T cell to present to a cytotoxic T cell.
D)The cell has inactivated the helper T cell.

Question

What is the purpose of the cell labeled A? 
A)The cell is going to phagocytize the helper T cell. 
B)The cell is presenting an antigen that will activate the helper T cell. 
C)The cell is sending the antigen to the helper T cell to present to a cytotoxic T cell. 
D)The cell has inactivated the helper T cell.

Quizplus · Accepted Answer

Cell A is presenting an antigen to the helper T cell. This is a key step in the activation of the immune response, as the helper T cell must recognize the antigen presented by the cell in order to trigger a coordinated immune response.

What Is the Purpose of the Cell Labeled A