In Zone 2 of the Lung

question 24

Multiple Choice

In zone 2 of the lung

• A) alveolar volume does not affect blood flow.
• B) venous pressure is high.
• C) pulmonary vessels are collapsed.
• D) blood flow is determined by pulmonary artery and alveolar pressure.

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Definitions:

Short Run

A period of time in which at least one input, typically capital, is fixed, and producers can only adjust the variable inputs like labor.

Long Run

A period in economics during which all inputs and operations can be varied, allowing for the adjustment to changes in market conditions or demand.

Very Long Run

In microeconomics, a period of time long enough that technology can change and firms can introduce new products.