Nurs110 midterm exam - Study guides, Class notes & Summaries

a test done to determine how much air moves in/out of the lungs when you breathe. I am used routinely in patients with chronic respiratory disorders. I am done by using a spirometer. Sometimes, I am done to screen for surgery or to monitor for progression of disease/how medications are working.PFT- pulmonary functions test

6. The daily closing values of the Dow Jones Industrial Average over a period of 30 days are best described as _____ data. a. cross-sectional b. discrete c. time-series d. nominal 7. A variable is classified as ordinal if a. there is a natural ordering of categories. b. the data is randomly selected. c. the data arise from continuous measurements. d. we track the variable through a period of time. 8. Categorizing a numeric age variable as "young," "middle-aged,"...

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