The Adaptive Immune System Is Complex, but It Can Be

question 44

True/False

The adaptive immune system is complex, but it can be summarized in four consecutive stages: i) lymphocyte encounter with an immunogen, ii) development of lymphocyte specificity against that immunogen, iii) 2nd encounter with the immunogen, and iv) development of memory cells.

---

Definitions:

Discount Rate

The interest rate used to determine the present value of future cash flows in discounted cash flow analysis. It reflects the opportunity cost of capital.

Present Value

The value at present of future cash receipts or a lump sum, taking into consideration a specified rate of return.

Future Value

The value of an asset or cash at a specified date in the future that is equivalent in value to a specified sum today, taking into account interest or return on investment.

Perpetuity

A type of annuity that continues indefinitely, providing consistent periodic payments.