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:

Dicta

Comments, observations, or remarks made by a judge in a legal decision or ruling that are not essential to the resolution of the case.

Market Power

Ability of a seller or buyer to affect the price of a good.

Producer Surplus

The gap between the price sellers are willing to accept for their goods or services and what they end up receiving.

Consumer Surplus

The discrepancy between the amount consumers are prepared to pay for a product or service and the amount they end up paying.