The Walls of the Veins Contain Smooth Muscle Innervated by Sympathetic

question 27

Multiple Choice

The walls of the veins contain smooth muscle innervated by sympathetic nerve fibers. Sympathetic stimulation ____ venous pressure and drives ____ blood into the heart.

• A) increases, more.
• B) increases, less.
• C) decreases, more.
• D) decreases, less.
• E) none of these answers.

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Definitions:

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together.

Equal Investment

A strategy where an investor allocates the same amount of money into each investment within a portfolio.

Portfolio

A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including closed-end funds and exchange traded funds (ETFs).

Standard Deviation

A measure of the dispersion or spread of a set of values, indicating how much the values differ from the average of the set.