The Nervous System

question 75

Multiple Choice

The nervous system

• A) detects changes in the internal or external environment.
• B) controls the movement of muscles.
• C) integrates information from several sources and uses it to determine an appropriate response.
• D) all of the above.

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Definitions:

Proportional Sample

A sampling method in statistical research where the sample size from each subgroup is proportional to the overall proportions of those subgroups in the total population.

Representative Sample

A segment of a population that accurately represents the attributes of the total population.

Random Sample

A sampling method where each member of a population has an equal chance of being included in the sample, reducing bias and increasing the generalizability of results.

Representative Sample

A part of a population that precisely mirrors the characteristics of the whole population.