The chi-square test is used to test the null hypothesis that:
a. The medians of groups being compared are equal
b. Two categorical variables are independent (not related)
c. The expected cell sizes are zero
d. The odds ratio is zero
B
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A patient undergoing alcohol rehabilitation decides to begin disulfiram (Antabuse) therapy. Patient teaching should include the need to: (Select all that apply.)
a. avoid aged cheeses. b. avoid alcohol-based skin products. c. read labels of all liquid medications. d. wear sunscreen and avoid bright sunlight. e. maintain and adequate dietary intake of sodium. f. avoid breathing fumes of paints, stains, and stripping compounds.
A patient's breath smells of acetone, which most likely indicates which of the following?
a. diabetic ketoacidosis c. poor oral hygiene b. fetor hepaticus d. uremia
The charge nurse has delegated a task to another staff member. Who assumes accountability for the task?
1. The person performing the task 2. The charge nurse 3. It is held jointly by the charge nurse and the person performing the task. 4. It can be imputed to either the charge nurse or the person performing the task.
Which statement best describes drug efficacy/toxicity in pediatric patients?
A) Drug requirements for infants have been extensively studied. B) Drug dosage is altered by age and weight in children. C) Children always need smaller doses of medication than adults. D) Infants and children are not at risk for drug toxicity if the dosage is correct.