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Douglas Is Diagnosed with Erectile Dysfunction

question 87

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Douglas is diagnosed with erectile dysfunction. He consults his doctor to know about the treatment options available for his condition. Which of the following drugs that are similar to Viagra will the doctor most likely prescribe to treat Douglas's condition?


Definitions:

Shale

A fine-grained sedimentary rock composed of mud that splits easily into layers, often used in the production of oil and natural gas.

Sandstone

A sedimentary rock consisting of sand-sized minerals or rock grains, compacted and often cemented together over time.

Limestone

A sedimentary rock composed primarily of calcium carbonate, often formed from marine organisms' shells and skeletons.

Granite

A rough-textured igneous rock that predominantly contains quartz, feldspar, and mica, frequently used in the construction industry.

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