Which Type of Brush/needle/mechanical Device Are Is/are Used to Sample

question 27

Multiple Choice

Which type of brush/needle/mechanical device are is/are used to sample areas of interest by "biting" off small chunks of tissue?

• A) Unsheathed cytology brush
• B) Sheathed cytology brush
• C) Forceps
• D) Wang needle

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Definitions:

Coefficient Of Determination

A statistical measure in regression analysis that quantifies the proportion of the variance in the dependent variable predictable from the independent variable(s).

Coefficient Of Correlation

Measures the strength and direction of a linear relationship between two variables on a scatterplot, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 means a perfect negative correlation.

Coefficient Of Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.