One of the Major Differences Between the fiRst and Second

question 70

Multiple Choice

One of the major differences between the first and second line of defense is that ______.

• A) the first line defenses are mechanisms whereas the second line defenses are physical barriers to infection
• B) the first line defenses involve the respiratory tract whereas the second line defenses involve the gastrointestinal tract
• C) the first line defenses are anatomical barriers whereas the second line defenses are mechanisms
• D) the first line defenses involve complement proteins whereas the second line defenses involve antibodies

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Definitions:

Substitution Effect

The economic understanding that as prices rise (or incomes decrease), consumers will replace more expensive items with less costly alternatives.

Inferior Good

A type of good for which demand decreases when the income of the consumer increases, inversely related to normal goods.

Income Effect

The change in an individual's or economy's income and how that change will affect the quantity demanded of a good or service.

Substitution Effect

Refers to the change in consumption patterns due to a change in the relative prices of goods, holding the consumer's utility constant.