A Nonrebreathing Mask Has Been Replaced by a High-Flow Nasal

question 37

Multiple Choice

A nonrebreathing mask has been replaced by a high-flow nasal cannula humidifier set at 15 L/min.The benefit of this device to a patient is that it:

• A) decreases airway resistance.
• B) delivers medication to the airways.
• C) prevents an increased humidity deficit.
• D) dilutes thick secretions for easy removal.

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Definitions:

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.

Economic Profits

Profits earned by a business after accounting for both explicit costs (like wages and rents) and implicit costs (such as opportunity costs).

Creative Destruction

A concept in economics attributed to Joseph Schumpeter, describing the process by which old industries or technologies are destroyed and replaced by new ones.

Dominant Firms

Companies that have a major share of the market sales, influence, or both, enabling them to set prices within the industry.