In General, as an Artery's Diameter Decreases, the Artery Walls

question 23

Multiple Choice

In general, as an artery's diameter decreases, the artery walls show

• A) a decrease in the relative amount of smooth muscle and an increase in the relative amount of elastic fibers.
• B) an increase in the relative amount of smooth muscle and a decrease in the relative amount of elastic fibers.
• C) an increase in relative amounts of smooth muscle and elastic fibers and a decrease in endothelium.
• D) a decrease in both smooth muscle and elastic fibers and an increase in areolar connective tissue.

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