Type of college degree (associate's, bachelor's, master's, doctorate) is measured on which of the following scales?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
B
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There are four levels of measurement: (1) nominal measurement—the classification of attributes into mutually exclusive categories such as blood type; (2) ordinal measurement—the ranking of people based on their relative standing on an attribute such as type of college degree; (3) interval measurement—indicating not only people's rank order but the distance between them; and (4) ratio measurement—distinguished from interval measurement by having a rational zero point. College degrees are examples of ordinal measures, because they indicate a person's relative standing in terms of education, but do not indicate the distance between the measures.
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1. hyperkalemia. 2. hypokalemia. 3. hypocalcemia. 4. hypercalcemia.
A nurse is caring for a child with newly diagnosed type 1 diabetes mellitus who is receiving insulin. The child suddenly exhibits tachycardia and beings to sweat and tremble, and the nurse determines that the child is experiencing a hypoglycemic reaction. The nurse would immediately give the child:
A. A sugar cube B. A teaspoon of sugar C. ½ cup of diet cola D. ½ cup of fruit juice
You are conducting a study to evaluate the effects of calcium on blood pressure. What is the dependent variable?
a. blood pressure b. both are independent c. calcium d. none of these
Which of the following indicate a prognosis of 6 months or less? (Select all that apply.)
a. Weight loss of 10% or more b. Increased agitation c. Frequent hospitalizations d. Incontinence e. Recurrent infections f. Functional decline