An Important Difference Between Single-Unit and Multiunit Smooth Muscle Is

question 64

Multiple Choice

An important difference between single-unit and multiunit smooth muscle is the

• A) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
• B) longer actin and myosin filaments in multiunit smooth muscle, which allow coordination of contraction.
• C) ability of single-unit fibers to change into multiunit fibers when advantageous.
• D) closely controlled individual fibers in single-unit smooth muscle to allow fine control and graded contractions by selective activation.

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Definitions:

Income Statement

A financial document that reports a company's financial performance over a specific accounting period, detailing revenues, expenses, and profits.

Dividend Yield Ratio

A financial ratio that shows how much a company pays out in dividends each year relative to its share price.

Par Value

A nominal value assigned to a security or stock as stated in the corporate charter.

Dividend Payout Ratio

This is a financial ratio that measures the percentage of earnings paid to shareholders in the form of dividends.