Lymphocyte Activation Can Occur in Several Ways

question 148

Multiple Choice

Lymphocyte activation can occur in several ways. However, in all cases

• A) lymphocytes must recognize an antigen.
• B) helper T cells are activated first and they then stimulate other cells.
• C) antigen-presenting cells process the antigen and present it to the lymphocytes.
• D) cytokines released by the antigen stimulate the lymphocyte response.
• E) antigens must be able to recognize the lymphocytes.

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