A Nurse Giving Instructions to a Patient Who Will Be

question 25

Multiple Choice

A nurse giving instructions to a patient who will be using stairs while ambulating with crutches will instruct the patient:

• A) "Take off the rubber tips of the crutches while using stairs."
• B) "Rest the axillae on the axillary bar of the crutch."
• C) "Bring the good leg up first when going up stairs."
• D) "Move the good leg and the crutches together."

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Definitions:

Bell-Shaped

Describes the graphical shape of a distribution that is symmetrical and has a single peak in the middle, resembling a bell; commonly associated with the normal distribution.

Standard Deviation

An index quantifying the spread or variability among a collection of numbers, where a smaller standard deviation suggests the numbers are closely clustered around the average.

Tchebysheff's Theorem

A statistical theorem stating that, for any real-valued random variable, the proportion of values lying within k standard deviations from the mean is at least 1-1/k^2, for k > 1.

Empirical Rule

A statistical guideline suggesting that within a normal distribution, nearly every data point can be found within three standard deviations of the central mean.