The Layers of the Gastrointestinal Tract Wall from the Inside

question 57

Multiple Choice

The layers of the gastrointestinal tract wall from the inside layer outward in order are

• A) submucosa, muscularis, mucosa, serosa.
• B) serosa, submucosa, muscularis, mucosa.
• C) mucosa, submucosa, muscularis, serosa.
• D) muscularis, serosa, mucosa, submucosa.
• E) mucosa, muscularis, serosa, submucosa.

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Definitions:

Oligopolistic Producers

Firms within a market structure where a small number of companies have the majority of market share and thus can significantly influence price and production levels.

Purely Competitive

Describes a market structure where many sellers offer identical products, and no single seller can influence the market price.

Concentration Ratio

A measure used in economics to assess the degree of market concentration by summing the market shares of the top firms in the industry.

Market Share

The proportion of total sales or business that a company or product secures within a particular market.