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.

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Definitions:

Canada

Canada is a country in North America, known for its vast landscapes, multicultural cities, and as the second-largest country by total area in the world.

Funnel-Shaped Net

A net designed with a widening opening and narrowing end, often used for catching or guiding aquatic life or debris in water streams.

Dragging

The act of pulling something along forcefully, often on the ground or another surface, with resistance.

Ocean Bottom

The lowest layer of the ocean floor, including various features such as plains, trenches, and ridges.