Autoimmunity Is

question 42

Multiple Choice

Autoimmunity is:

• A) an automatic response to an antigen.
• B) a failure of self cell recognition.
• C) a reaction to environmental antigens.
• D) a normal response to infection.
• E) a response between the autonomic nervous system and the immune system.

---

Definitions:

Target Market

The specific group of consumers at which a company aims its products and services.

Quantity Sold

The total number of units of a product or service sold over a specific period of time.

Primary Demand

The overall demand for a product category or market as a whole, rather than for a specific brand.