The Wife of a Patient with a Cuffed Tracheostomy Asks

question 7

Multiple Choice

The wife of a patient with a cuffed tracheostomy asks why the cuff is inflated intermittently.What is the purpose of the inflated cuff?

• A)Prevent regurgitation after meals.
• B)Hold the trachea open until it is completely healed.
• C)Dilate the tracheal opening for passage of secretions.
• D)Prevent aspiration when eating.

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Definitions:

Biased Estimates

Estimates that are systematically different from the population parameters being estimated, due to errors in data collection, analysis, or selection.

Slope Coefficients

In linear regression, the slope coefficient measures the rate of change in the dependent variable for a one-unit change in the independent variable.

Dependent Variable

A variable in statistical modeling, experiments, or observations that is expected to change as a result of manipulations in the independent variable(s).

Independent Variables

Variables that are manipulated or categorically varied by researchers in an experiment to determine their effect on dependent variables.