Which of the Following Statements Best Describes the Function of Proportional

question 30

Multiple Choice

Which of the following statements best describes the function of proportional assist ventilation on the Covidien PB 840?

• A) The percentage of the work done by the patient is adjusted by the ventilator monitoring the work of breathing.
• B) The percentage of the work done by the ventilator is automatically reduced as the compliance and resistance is improving.
• C) The operator sets a percentage of the work of breathing that is done by the ventilator; the remainder of the work of breathing is done by the patient.
• D) The ventilator adjusts the amount of work done by the ventilator based on continuous monitoring of the partial pressure of end-tidal carbon dioxide and the oxygen saturation measured by pulse oximeter.

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Definitions:

NPV

or Net Present Value, is a financial metric used to evaluate the profitability of an investment or project, calculating the difference between the present value of cash inflows and outflows.

Net Present Value

Calculating the variance between the present-day value of cash flows in and out over an established timeframe.

Average Accounting Return

The ratio of average net income to average invested capital, often used in financial analysis to assess investment attractiveness.

Profitability Index

A financial metric that calculates the ratio of the present value of future cash flows from an investment to the initial investment cost, used to evaluate the desirability of projects.