Which Is Not a Key Trait of a Primary Specific

question 23

Multiple Choice

Which is not a key trait of a primary specific immune response?

• A) Ability to respond specifically to a wide diversity of foreign molecules and organisms
• B) Rapid response to an infection
• C) Generally long-lasting immunological memory
• D) The ability to recognize "self" from "nonself"
• E) Effective response to a repeat infection

---

Definitions:

Mutually Exclusive

Events or decisions that cannot occur or be taken simultaneously; selecting one option precludes the choice of the other.

Profitability Index

A financial metric used to evaluate the desirability of an investment or project, calculated as the present value of future cash flows divided by the initial investment cost.

Cash Outflow

The total amount of money being spent by a business, including expenses, investments, and any other payments.

Equivalent Annual Annuity

The constant annual cash flow for a certain period of time that has the same present value as a series of different cash flows.