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

question 4

Multiple Choice

Which of the following statements are true of vectors and the diseases they spread (Select all that apply) ?

• 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:

Attributions

The process by which individuals explain the causes of behavior and events, either their own or others'.

Heuristics

A strategy for making judgments quickly, at the price of occasional mistakes.

Dissonance Theory

A psychological theory suggesting that inconsistency among beliefs, attitudes, and behaviors causes discomfort, leading individuals to seek coherence.

Floodplain

A flat area of land adjacent to a river or stream that experiences occasional or periodic flooding.