Fill in the Blank with UNIDIRECTIONAL or BIDIRECTIONAL

question 28

Short Answer

Fill in the blank with UNIDIRECTIONAL or BIDIRECTIONAL. In general, the brain's principal arteries and surface arterioles are _____________________, but the penetrating arterioles are _____________________ with regard to the direction of blood flow.

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, often the mean, median, or mode.

Standard Deviation

A statistic that indicates the dispersion or variability of a set of numerical data points around the mean.

Sample Size

The number of observations or participants included in a statistical sample.

Mean Value

The average of a set of numbers, calculated by dividing the sum of all the numbers by the count of the numbers.