Which of the following increases the demand for myocardial oxygen?

(01.01 LC)  Which of the following variables can be classified as categorical? (4 points) Height Weight Gender Age

(02.01 MC)  The principal of a high school e-mails a survey to all parents asking them to vote on the best time to have the PTA meeting. She only receives responses from 56% of the parents. Describe how the design of the survey leads to bias. (4 points)

(02.01 LC)  A civil engineer wants to know the opinions of drivers about online driving tests. She obtains a list of 730 drivers who have recently completed an online driving course and e-mails a questionnaire to a randomly selected group of 200 of these drivers. Only 102 of the questionnaires are returned. Identify the population and the sample in this study. (4 points)

Which of the following is true regarding cystic fibrosis?

A nursing instructor is teaching student about the human immunodeficiency virus (HIV). Which statement by the student demonstrates effective learning of the pathophysiology of HIV?

Which of the following is true regarding isotonic solutions?

(01.01 LC)  Which of the following variables can be classified as quantitative? (4 points) Street name Zip code Population Number of children in household

(02.04 LC)  To study the effect of naps on student grades, two experimental treatments are planned: an eight-hour school day with a one-hour nap for one group versus and eight-hour school day with a 30-minute nap for another. Which of the following groups would serve best as a control for this study? (5 points)

(01.02 LC)  Suppose the following data set represents the starting salaries for the population of teachers from eight states: $36,198$44,166$33,226$35,166$30,064$27,274$30,778$32,657 Part A: Calculate the mean of the data set. (3 points) Part B: Calculate the five-number summary. (3 points) Part C: Calculate the standard deviation of this data set. (4 points) (10 points)