Which of the Following Statements Are True of the Respiratory

question 56

Multiple Choice

Which of the following statements are true of the respiratory muscles and pressure changes during breathing? (Read carefully and select all of the correct statements.)

• A)Atmospheric pressure is a constant that depends on a person's elevation above sea level.
• B)Contraction of the diaphragm increases the size of the chest cavity from top to bottom.
• C)The external intercostal muscles are used only for a forced inhalation.
• D)The normal elasticity of the lungs is important for normal exhalation.
• E)The diaphragm is smooth muscle that contracts only as part of the breathing reflex.
• F)A normal inhalation is active, but a normal exhalation is passive.

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Definitions:

Semi-Annually

Describes an event or action that occurs twice a year, typically every six months.

Present Values

The valuation in today's currency of future cash flows or a lump sum, factoring in a specific rate of return.

Discount Rate

This is the interest rate that's used to determine the current value of future cash flows in the analytical process of discounted cash flow.

Discount Rate

The interest rate used to determine the present value of future cash flows in discounted cash flow analysis. It represents the opportunity cost of investment.