Though Neurons Are the Building Blocks of Our Nervous Systems

question 335

Multiple Choice

Though neurons are the building blocks of our nervous systems, they can't do everything alone. ______________ cells guide neurons into place during prenatal development, hold them still after the nervous system has developed, and keep the neurons safe from toxins.

• A)axon
• B)ion
• C)myelin
• D)glial
• E)dendrite

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Definitions:

Two-tailed Test

A statistical test that considers both directions of an effect, testing the possibility of relationships in both positive and negative directions.

Significant

Denoting a result in statistical analysis that is likely not due to chance, thereby indicating a meaningful difference or correlation.

Z-statistic

A statistic used in hypothesis testing, calculated as the difference between a sample statistic and its hypothesized population parameter, divided by the standard error.

Critical Value

A limit in hypothesis testing that establishes the criteria for dismissing the null hypothesis.