Sally Jones Presents to the Department (ED) with Lower-Left Abdominal

question 18

Multiple Choice

Sally Jones presents to the department (ED) with lower-left abdominal pain. The ED physician asks the ED clerk to determine if the patient was previously seen in the facility. The quickest way for the ED clerk to obtain this information is to reference the

• A) disease index.
• B) ED log.
• C) master patient index.
• D) patient's record.

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Definitions:

Confidence Estimate

A range of values used to estimate a parameter, calculated in such a way that it is likely, to a specified level of confidence, to contain the true value of the parameter.

Confidence Interval

A set of values, calculated from sample statistics, predicted to hold the value of an unobserved population parameter.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.

T-Distribution

A probability distribution used in statistics that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population variance is unknown.