What Part of the Following Description Is INCORRECT? Contraction of the Diaphragm

question 80

Multiple Choice

What part of the following description is INCORRECT? Contraction of the diaphragm and external intercostal muscles leads to increased volume in the thoracic cavity and the lungs. The increase in volume leads to an increase in intrapulmonary pressure causing air to move into
The lungs.

• A) The contraction of the diaphragm and external intercostal muscles leads to a decrease in volume, not an increase in volume.
• B) Increases in volume lead to a decrease in pressure, not an increase in pressure.
• C) The relaxation, not contraction, of the diaphragm and external intercostal muscles leads to inhalation.
• D) Increased volume and decreased pressure cause air to leave the lungs, rather than enter the lungs.

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Definitions:

Externalities

Financial consequences for unrelated third parties, which can manifest as either positive or negative effects.

Perfectly Competitive

Describes a market structure where many firms sell identical products, there are no barriers to entry, and no single buyer or seller can influence the market price.

Allocate Resources

The process of distributing available resources, such as labor, capital, and land, among various uses to fulfill societal needs and wants.

Consumer Surplus

The deviation between the monetary amount consumers are willing to pay for a good or service and the monetary amount they actually pay.