All of the Following Are True of Polio EXCEPT

question 17

Multiple Choice

All of the following are true of polio EXCEPT

• A) the portal of entry is ingestion of contaminated water.
• B) most cases are severe and result in paralysis.
• C) it replicates in the throat and small intestines.
• D) the Sabin vaccine contains attenuated strains of the virus.

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Definitions:

Income Elasticity

A measure of how much the demand for a good or service changes in response to changes in consumer income.

Demand Increase

A situation where the quantity of a product or service that consumers are willing and able to buy at a given price rises.

Price Elasticity

The sensitivity measure of demand for a good relative to its price changes.

Demand Curve

It illustrates the relationship between the price of a good or service and the quantity demanded for a given period, assuming all other factors are constant (ceteris paribus).