Which of the Outcomes Would Indicate Improvement in a Patient

question 13

Multiple Choice

Which of the outcomes would indicate improvement in a patient previously diagnosed with atelectasis who has been receiving incentive spirometry?
1) Improved PaO₂
2) Decreased respiratory rate
3) Improved chest radiograph
4) Decreased forced vital capacity (FVC)

• A)1, 2, and 3 only
• B)1, 3, and 4 only
• C)1 and 2 only
• D)4 only

---

Definitions:

Variability

Describes the spread or dispersion of a set of data points within a dataset, indicating how much the data points differ from each other.

Population Standard Error

A measure of the estimation uncertainty in predicting a population parameter based on a sample statistic.

Confidence Interval

A confidence interval is a range of values derived from sample data that is likely to cover the true value of an unknown population parameter.

Mean

The average of a set of numbers, calculated by adding all the numbers together and dividing by the count of those numbers.