How Does the Immune System Manage to Avoid Recognizing and Attacking

question 68

Multiple Choice

How does the immune system manage to avoid recognizing and attacking normal cells within the body?

• A)The body never makes T lymphocytes that can react against normal cells within the body.
• B)T lymphocytes that have the ability to recognize normal cells within the body are eliminated by apoptosis early in the development of the immune system.
• C)Normal body cells are coated with a special secreted protective proteoglycan that prevents the immune system from attacking them.
• D)Normal body cells are coated with a special secreted protective glycoprotein that prevents the immune system from attacking them.
• E)Normal body cells are coated with a mixture of special secreted protective proteoglycans and glycoproteins that prevents the immune system from attacking them.

---

Definitions:

Consumption Plan

An outline of how individuals or households intend to allocate their income towards consumption goods and services over a period.

Interest Rate

The cost of borrowing money or the reward for saving it, typically expressed as a percentage of the principal amount per year.

Interest Rate

The cost of borrowing money or the return for lending money, typically expressed as a percentage.

Budget

An estimation of revenue and expenses over a specified future period of time, often used as a plan for management of money.