Posterior Dislocation of the Radial Head Is Usually a Sign

question 19

Multiple Choice

Posterior dislocation of the radial head is usually a sign of what type of brachial plexus injury at birth?

• A) Erb-Duchenne palsy
• B) Klumpke's palsy
• C) proximal plexus palsy
• D) cerebral palsy

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Definitions:

Y-intercept

The point where a line or curve crosses the y-axis of a graph, indicating the value of the dependent variable when all independent variables are zero.

Regression Equation

A statistical method for estimating the relationships among variables, often used for predicting the value of a dependent variable based on the values of one or more independent variables.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables using a linear equation.

Correlational Analysis

A statistical method used to determine the degree to which two variables are related.