The Speed at Which a Neural Impulse Travels Is Increased

question 257

Multiple Choice

The speed at which a neural impulse travels is increased when the axon is encased by a(n)

• A) association area.
• B) myelin sheath.
• C) glial cell.
• D) epigenetic molecule.

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Definitions:

Standard Deviation

A measure of the dispersion or spread of a set of data points relative to its mean, indicating how widely the values differ from the average.

Sample Mean

The sample mean is the average value in a sample, calculated by adding all the sample values together and dividing by the number of samples, representing the central tendency of the sample.

Binomial Probability

The probability of achieving a specific number of successes in a fixed number of independent trials, where each trial has two possible outcomes.

Normal Curve

A bell-shaped curve depicting the distribution of many types of data; most scores are near the mean, with fewer scores toward the extremes.