The Following Information Is for Four Highway Programs of Increasing

question 117

Multiple Choice

The following information is for four highway programs of increasing scope.All figures are in millions of dollars.On the basis of the data we can say that:

• A)Program D is the most efficient on economic grounds.
• B)Program C is the most efficient on economic grounds.
• C)Program B is the most efficient on economic grounds.
• D)Program A is the most efficient on economic grounds.

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Definitions:

Microorganisms

Tiny life forms such as bacteria, viruses, fungi, and protozoa that exist in virtually all environments on the planet.

Infection Cycle

A sequence of events that involve the spread of pathogens, from their source through a means of transmission, to a susceptible host.

Pathogen Established

Refers to the successful colonization and growth of a disease-causing microorganism within a host.

Reservoir Host

An organism that harbors a pathogen for an extended period, without suffering from disease caused by the pathogen, and serves as a source of infection.