Which Layer of a Blood Vessel Contains Concentric Sheets of Smooth

question 212

Multiple Choice

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?

• A) internal elastic membrane
• B) external elastic membrane
• C) tunica externa
• D) tunica media
• E) tunica intima

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A fixed income instrument that represents a loan made by an investor to a borrower, typically corporate or governmental, where the issuer owes the holders a debt and is obliged to pay interest and/or to repay the principal at a later date, termed maturity.

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The yield paid by a fixed-income security; a fixed percentage of the par value of the bond, paid to the investor annually or semi-annually.