Which of the Following Are the Only Mucosal Folds That

question 4

Multiple Choice

Which of the following are the only mucosal folds that do not flatten out at all when the organ stretches?

• A) longitudinal folds in the esophagus
• B) rugae in the stomach
• C) circular folds in the small intestine
• D) mucosal folds in the gallbladder

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Definitions:

Market Economy

An economic system in which economic decisions and the pricing of goods and services are guided solely by the aggregate interactions of a country's citizens and businesses.

Pollution

The introduction of contaminants into the natural environment that cause adverse change.

Socially Optimal Quantity

The level of production that maximizes societal welfare, often considered at the point where marginal cost equals marginal benefit.

Marginal Social Cost

The total cost to society of producing one additional unit, including both private costs and any external costs.