Next to the Pulmonary Function Studies Listed, Match the Findings

question 14

Multiple Choice

Next to the pulmonary function studies listed, match the findings listed below that typically develop in patients who have postoperative atlectasis. Items may be used once, more than once, or not at all.
-FVC

• A)Normal
• B)Decreases
• C)Increases
• D)Normal or decreased
• E)Normal or increased

---

Definitions:

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of how unlikely results are due to chance.

Degrees of Freedom

The amount of free variables or measures that may change within an analysis while still adhering to all limitations.

T-statistic

A type of statistic used to estimate the significance of a difference between two sample means, given in terms of standard error.

Alpha

In statistical hypothesis testing, it represents the probability of committing a Type I error; the threshold significance level.