The nurse is applying the four rules of using rations and proportions to calculate medication dosages for clients. Which of the following accurately describes one of these rules?
A) The product of the means is greater than the product of the extremes.
B) The product of the means multiplied by one extreme yields the other extreme.
C) The product of the extremes divided by one mean yields the other mean.
D) Whatever is done on one side of the "equals" sign is two times less than the other side.
C
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The four rules that apply when using ratios and proportions are as follows: (1) The product of the means equals the product of the extremes; (2) The product of the means divided by one extreme yields the other extreme; (3) The product of the extremes divided by one mean yields the other mean; and (4) Whatever is done on one side of the "equals" sign must be done on the other side as well.
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The nurse is contributing to a patient's plan of care. For which patient would the nursing diagnosis of Risk for Constipation be most appropriate?
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