When Using a Small-Bore Catheter with a One-Way Valve Such

question 9

Multiple Choice

When using a small-bore catheter with a one-way valve such as a Heimlich valve, how can you determine definitively that there is or is not a small air leak?

• A)Connect to an underwater seal.
• B)Increase the FIO₂ and note clinical changes.
• C)Listen for air movement.
• D)Watch the valve to see if it moves.

---

Definitions:

Consumer Equilibrium

The point at which the amount of goods purchased by a consumer is equal to their preference at prevailing market prices, maximizing utility.

Utility

The satisfaction or benefit a consumer derives from consuming a good or service.

Income

Money that an individual or business receives, typically as payment for goods or services or through investments.

Consumer Equilibrium

Consumer Equilibrium is the state where a consumer has balanced their expenditures across different goods to maximize total utility given their budget constraint.