When Should the Tourniquet Be Removed

question 1

Multiple Choice

When should the tourniquet be removed?

• A) After finding the vein to be used
• B) While the first tube is filling
• C) After all tubes have been filled
• D) After removing the needle

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Definitions:

Coefficient of Variation

A measure of relative variability computed as the ratio of the standard deviation to the mean, often expressed as a percentage.

Covariance

A measure indicating the extent to which two variables change together, signifying the direction of their linear relationship.

Standard Deviation

A statistic that quantifies the amount of variation or dispersion of a set of data values, typically used to measure how spread out the numbers in a data set are.

Slope

A measure of the steepness, incline, or grade of a line, indicating the ratio of the vertical change to the horizontal change between two points on the line.