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Answers are in bold 1. Which layer of the arterial wall isresponsible for vasoconstriction? a. tunica fascia b. tunica albuginea c. tunica interna d. tunica media e. tunica externa 2. which layer of the arterial wall is primarily composed of elastic and collagen fibers? a. tunica fascia b. tunica albuginea c. tunica interna d. tunica media e. tunica externa 3. when an eatery or arteriole is damaged, its smooth muscle layer contracts producing a. new vessel branching off the artery or arteriole b. tear in the vessel c. a vascular spasm d. Tetanus e. Increased blood flow to the damaged vessel 4. Elastic arteries function as a. Vasoconstrictors b. Pressure reservoirs c. Vasodilators d. Barriersto microcirculation e. Conduits to the tissue of the trunk only 5. In resting individuals, which vessels serve as a large blood reservoir from which blood can be quickly diverted to other vessels as needed? a. Veins and venules b. Aorta and veins c. Arteries and arterioles d. Arterioles and capillaries
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