The First Step in the Prevention of Blood Loss from an Injured

question 18

Multiple Choice

The first step in the prevention of blood loss from an injured vessel is ____.

• A)platelet plug formation
• B)increased blood flow
• C)coagulation
• D)clot retraction
• E)vessel spasm

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Definitions:

Z-Value

A statistical measure that quantifies the number of standard deviations a data point is from the mean of a data set.

Standard Error

A measure of the statistical accuracy of an estimate, equal to the standard deviation of the theoretical distribution of a large population of such estimates.

N

A symbol often used to represent a sample size or the number of observations or units in a dataset.

Sampling Distribution

The spectrum of probabilities for a predetermined statistic, collected from a random sample.