Select the Correct Sequence for Proving Koch's Postulates

question 21

Multiple Choice

Select the correct sequence for proving Koch's postulates.
1)  The microorganism must be recovered from the experimentally infected hosts.
2)  The microorganism must be present in every case of the disease.
3)  The same disease must be produced when a pure culture of the microorganism is introduced into susceptible hosts.
4)  The microorganism must be grown in pure culture from diseased hosts.

• A) 2, 4, 3, 1
• B) 1, 2, 3, 4
• C) 1, 3, 2, 4
• D) 4, 3, 1, 2
• E) 4, 1, 2, 3

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Definitions:

Demand Function

A mathematical representation showing the quantity of a good or service demanded at different prices.

Consumer's Surplus

The difference between the total amount that consumers are willing to pay for a good or service and the total amount that they actually pay.

Mead

An alcoholic beverage created by fermenting honey with water, sometimes with various fruits, spices, grains, or hops added.

Demand Function

A mathematical representation that describes the relationship between the quantity demanded of a good and various factors that influence this quantity, such as price.