What Structure Changes the Shape of the Lens for Far

question 79

Multiple Choice

What structure changes the shape of the lens for far and near vision?

• A)aqueous humor
• B)ciliary body
• C)iris
• D)extrinsic eye muscles
• E)None; the lens is rigid.

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Definitions:

Population Standard Deviation

A measure of the spread of all values in a population, indicating how much the values differ from the mean of the population.

Sample

A subset of a population used for statistical analysis, selected for the purpose of making generalizations about the total population.

Estimated

An approximation or educated guess based on available data, rather than an exact measurement.

Test Statistic

A calculation, derived from sample data, used to determine the presence of a statistically significant difference between groups in hypothesis testing.