One of the Main Reasons That Brain Damage Cannot Be

question 18

Multiple Choice

One of the main reasons that brain damage cannot be healed is that an adult central nervous system ____.

• A) has evolved a more sophisticated technique of regrowth and replacement
• B) does not have the ability to replace damaged cells
• C) has glial cells which can take the place of damaged neurons
• D) contains too many neurotrophic factors to promote new cell growth

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Definitions:

Sample Correlation

A measure that indicates the degree to which two variables change together, based on data drawn from a sample of the population.

Test Statistic

A value calculated from sample data during a statistical hypothesis test to determine the p-value or to compare against a critical value.

Prediction Interval

An estimated range of values within which a future observation is expected to fall, with a certain probability.

Independent Variable

A variable in an experiment or model that is manipulated or changed to assess its effects on a dependent variable.