What does bivariate correlational analysis do? (Select all that apply.)
a. Provides an idea of which variable causes the other one
b. Reflects a two-way connection or pattern
c. Measures the strength of multiple relationships connected with a concept
d. Measures the strength of the relationship between two variables
e. Determines the direction of the relationship between two variables
ANS: B, D, E
Bivariate correlational analysis measures the magnitude of linear relationship between two, and only two, variables and is performed on data collected from a single sample. Correlational analysis provides two pieces of information about the data: the nature or direction of the linear relationship (positive or negative) between the two variables and the magnitude (or strength) of the linear relationship.
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A patient presents to the emergency department demonstrating agitation and complaining of numbness and tingling in his fingers. His arterial blood gas levels reveal the following: pH 7.51, PaCO2 25, HCO3 25
The nurse interprets these blood gas values as: a. compensated metabolic alkalosis. b. normal values. c. uncompensated respiratory acidosis. d. uncompensated respiratory alkalosis.
Which of the following teachings should a nurse advocate to help reduce potential adult complications such as orchitis?
A) Have immunizations against infectious diseases such as mumps during infancy and childhood. B) Avoid heavy lifting exercises during infancy and childhood. C) Avoid foods rich in fat and starch during infancy and childhood. D) Avoid consumption of caffeine during infancy and childhood.
Which of the following are reasons for the decrease in the number of nuclear family households? (Select all that apply.)
a. Many women are not marrying, yet are having children. b. More couples are choosing to have greater than 2 children. c. Many married couples are delaying starting a family. d. There is an increase in the influx of immi-grants that include extended families. e. Men and women are marrying at earlier ages. f. There are increasing numbers of couples co-habitating but not marrying.
The school nurse working in the middle school or high school will find that most sports injuries in older children and adolescents affect:
a. long bones c. the head b. soft tissues d. spinal cord