What Is an X-Ray of Air Passageways Using a Contrast

question 62

Multiple Choice

What is an x-ray of air passageways using a contrast medium?

• A) cholangiogram
• B) arthrography
• C) echoencephalography
• D) bronchogram

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Definitions:

Product-moment

Refers to a correlation coefficient developed by Karl Pearson that measures the strength and direction of a linear relationship between two variables.

Negative Correlation

A linkage between two variables that shows one increasing while the other decreases.

Coefficient of Alienation

A statistical measure that represents the amount of variation in one variable that is not accounted for by its relationship with another variable.

Positive Slope

An upward trend in a line graph indicating an increase in one variable as another variable increases.