Polio Is Transmitted by Ingestion of Water Contaminated with Feces

question 22

Multiple Choice

Polio is transmitted by ingestion of water contaminated with feces containing polio virus.What portal of entry does polio virus use?

• A)skin only
• B)parenteral only
• C)mucous membranes only
• D)skin and parenteral
• E)skin,parenteral,and mucous membranes

Understand the concept of monopolistic competition and how it differs from perfect competition.

Analyze the demand, marginal revenue, marginal cost, and average total cost curves to determine the profit-maximizing quantity and price.

Understand how entry and exit of firms in monopolistically competitive markets affect the market structure and individual firms.

Identify the characteristics and outcomes of long-run equilibrium in monopolistic competition, including the zero economic profit condition.

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Definitions:

Deionized Water

Water that has had its mineral ions removed, such as sodium, calcium, iron, and copper, making it a high purity water often used in laboratories and electronics manufacturing.

NOx Emissions

Nitrogen oxides emissions, which are harmful pollutants produced by combustion engines, contributing to air pollution and respiratory problems.

Oil Filter Crusher

A device used to crush oil filters, extracting the used oil and allowing for the metal parts to be recycled.

Refractometer

A tool used to measure the specific gravity of a liquid, such as coolant or battery acid. Light passing through the tool refracts based on the liquid the light passes through. Results are shown on a scale.