What is unique about chi-square analysis?
a. It is almost always statistically significant.
b. It is used for two nominal variables
c. It demands normal distribution, even of dichotomous variables.
d. It is parametric.
ANS: B
The chi-square (?²) test compares differences in proportions of nominal level variables. Statistical significance may or may not exist. The test does not demand normal distribution, and it is non-parametric.
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The nurse is caring for a school-age child with laryngotracheobronchitis. Which action aids in bronchodilation to improve breathing for this child?
A) Administering an oral analgesic B) Urging the child to take oral fluids C) Teaching the child to take long, slow breaths D) Assisting with racemic epinephrine nebulizer therapy
The nurse understands that when teaching clients about acetaminophen that which of the following should be included?
a. "It causes more gastrointestinal upset than aspirin." b. "Though it is a good pain reliever, it will not reduce fever." c. "It has anti-inflammatory activity and is effective in treating arthritis." d. "Take only as directed. Too much Tylenol can harm your liver."
A sentinel event refers to which situation?
a. An event that could have harmed a patient, but serious harm didn't occur because of chance. b. An event that harms a patient as a result of underlying disease or condition. c. An event that harms a patient by omission or commission, not an underlying disease or condition. d. An event that signals the need for immediate investigation and response.
Maalox, Mylanta, Rolaids, and Tums are examples of ________.
Fill in the blank(s) with the appropriate word(s).