Which of the Following Statements Are True of Vectors and the Diseases

question 104

Multiple Choice

Which of the following statements are true of vectors and the diseases they spread? (Read carefully and select all of the correct statements.)

• A)The human body louse is the vector of typhoid fever.
• B)Mosquitoes are vectors of malaria and yellow fever.
• C)Vectors spread disease when they bite humans or other warm-blooded animals.
• D)The deer tick is the vector of Lyme disease and West Nile encephalitis.
• E)Fleas are vectors of bubonic plague, epidemic typhus, and sleeping sickness.
• F)The vector of a pathogen may be an essential part of the life cycle of that pathogen.

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Definitions:

Sub-Saharan Africa

A geographical area of the African continent that is situated south of the Sahara Desert.

Subsistence Agriculture

Farming practices aimed at producing only enough food to feed the farmer's family, with little to none left over for sale or trade.

Global Stratification

The differences in wealth, power, and prestige of different societies relative to their position in the international economy.

Economic Dependency

A situation where an individual, group, or nation relies on another for financial support or resources.