Which Patient Is Most at Risk for Developing a Urinary

question 5

Multiple Choice

Which patient is most at risk for developing a urinary tract infection?

• A) Teenage comatose patient on a ventilator lying supine
• B) Middle-age adult after abdominal surgery sitting in a chair
• C) Elderly adult with Alzheimer disease who is wandering at night
• D) Middle-age adult postcardiac catheterization being discharged home

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Definitions:

Coefficient Of Determination

Represented as R-squared, it measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Sample Correlation

A measure that indicates the degree to which two variables change together, based on data drawn from a sample of the population.

Test Statistic

A value calculated from sample data during a statistical hypothesis test to determine the p-value or to compare against a critical value.

Prediction Interval

An estimated range of values within which a future observation is expected to fall, with a certain probability.