Which of the Following Is NOT True of Naturally Acquired

question 70

Multiple Choice

Which of the following is NOT true of naturally acquired immunity?

• A) It is the gain of adaptive immunity through normal events, such as exposure to an infectious agent.
• B) It involves injecting a person with antibodies produced by other people or animals.
• C) It occurs as a result of breast feeding; the secretory IgA in breast milk protects the digestive tract of the child.
• D) It occurs during pregnancy when the mother's IgG antibodies cross the placenta and protect the fetus.
• E) These all characterize naturally acquired immunity.

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Definitions:

Elastic Demand

A situation in which the demand for a product is highly responsive to changes in its price.

Arbitrage

The practice of profiting from a price difference between two or more markets, transferring a commodity or financial instrument from a lower-priced market to a higher-priced one.

Inelastic Demand

A situation in economics where the change in the price of a good or service has little to no effect on the quantity demanded by consumers.

Total Revenue

The total amount of money a firm receives by selling goods or services.