Which of the Following Should Be Included in the Instructions

question 23

Multiple Choice

Which of the following should be included in the instructions given to a patient who is going to have a closed machine MRI?

• A) Tell the patient to follow an all-liquid diet the day before the procedure
• B) Explain that the table will be placed inside a long, narrow tube about 22 inches in diameter and that he will hear a loud knocking noise as the machine scans
• C) Instruct the patient that he will be drinking a barium sulfate drink that tastes chalky and resembles a milk shake
• D) Tell the patient that the physician may order a laxative to prevent constipation
• E) Tell the patient to consider avoiding caffeine for 14 days prior to the procedure

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Definitions:

Variance

A measure of the dispersion of a set of values, calculated as the average of the squared deviations from the mean.

Computational Formula

Formula that is an algebraic manipulation of a definitional formula designed to minimize the complexity of mathematical calculations.

Variance

The average of the squared differences from the Mean, a statistical measurement of the spread between numbers in a data set.

Computational Formula

A formula used to compute statistical measures that often simplifies the arithmetic process.