Surfactant Helps to Prevent the Alveoli from Collapsing by ________

question 65

Multiple Choice

Surfactant helps to prevent the alveoli from collapsing by ________.

• A) humidifying the air before it enters
• B) protecting the surface of alveoli from dehydration and other environmental variations
• C) warming the air before it enters
• D) interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid

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Definitions:

Net Present Value

An economic measure that determines the disparity between the current value of cash coming in and the current value of cash going out over a specific timeframe.

Internal Rate Of Return

The break-even discount rate at which a project's cash flows net present value is zero.

Present Value

Present value represents the contemporary worth of a future sum or cash flow sequence, discounted by a certain return rate.

Payback Method

A capital budgeting technique that calculates the amount of time required to recoup the original investment.