When a Skeletal Muscle Fiber Contracts, the

question 126

Multiple Choice

When a skeletal muscle fiber contracts, the

• A) H bands and I bands get larger.
• B) zones of overlap get larger.
• C) Z lines move further apart.
• D) width of the A band increases.
• E) All of the answers are correct.

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Definitions:

Marginal Product

Marginal Product is the additional output resulting from the use of one more unit of a production input, holding all other inputs constant.

Units of Output

The quantities of a good or service produced by a firm or economy.

Diminishing Returns

is an economic principle stating that if one input in the production of a commodity is increased while other inputs are held fixed, a point will eventually be reached at which additions of the input yield progressively smaller, or diminishing, increases in output.

Labor Input

A measure of the amount of labor used in the production process, typically quantified in labor hours.