Because of the Complexity of the Schistosoma Life Cycle, There

question 56

Multiple Choice

Because of the complexity of the Schistosoma life cycle, there are several parts of the cycle that could be disrupted to halt the spread of the disease.Which of the following proposals is not likely to succeed in decreasing the prevalence of schistosomiasis?

• A)Apply chemical molluscicides (chemicals targeted to molluscs like snails) to bodies of fresh water.
• B)Monitor water bodies to detect the presence of infectious miracidia and enforce no bathing rules when they are present.
• C)Identify a surface protein on Schistosoma miracidia that the immune system can recognize and create a vaccine using that antigen.
• D)Install sanitary sewage treatment facilities to prevent the dispersal of eggs present in urine and feces.

Describe the characteristics and functions of self-report measures in personality assessment.

Understand the use and impact of reverse-scored items in questionnaires.

Grasp the limitations and challenges inherent in using self-report measures for assessing personality.

Distinguish between various types of validity (e.g., face, convergent, discriminant) and reliability (e.g., internal, test-retest) in measurement.

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Definitions:

Marginal Revenue Product

The additional revenue generated by employing one more unit of input, such as labor or capital.

Economic Rent

The excess payment made for a factor of production over its opportunity cost.

Total Supply

The total amount of a product or service available for purchase at any given price point.

Henry George

A 19th-century economist known for his belief that people should own the value they produce but that land and natural resources should belong to the community.