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.

---

Definitions:

Note Receivable

This is a written promissory note where one party promises to pay another party a definite sum of money either on demand or at a specified future date.

Interest

The cost of borrowing money, expressed as a percentage of the total amount loaned, or the income earned on invested capital.

Note Receivable

A written promise that requires another party to pay the holder a specific sum of money on a specified date or on demand.

Interest

The cost of borrowing money or the return on investment for the lender, expressed as a percentage of the principal.