ExamName___________________________________MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.1)The muscular layer in the wall of a blood vessel is the tunica1)A)media.B)adventitia.C)intima.D)externa.E)interna.2)Compared to arteries, veins2)3)Capillaries that have a complete lining are called3)4)The smallest arterial branches are called the4)5)The layer between the tunica media and the tunica externa in a large artery is the5)A)external elastic membrane.B)tunica externa.C)internal elastic membrane.D)tunica media.E)tunica intima.6)The thoroughfare channel ends at the6)7)Which of the following layers of a vessel contains collagen fibers with scattered bands of elasticfibers?7)1
8)After blood leaves the capillaries, it enters the8)9)Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?9)A)external elastic membraneB)tunica mediaC)internal elastic membraneD)tunica intimaE)tunica externa10)The large vessels that return blood to the heart are called10)11)In arteries, the thick layer of elastic fibers associated with the tunica intima is called the11)12)Which of the following is the innermost layer of a blood vessel?12)13)Venoconstriction ________ the amount of blood within the venous system, which ________ thevolume in the arterial and capillary systems.13)A)increases; reducesB)reduces; reducesC)doubles; decreasesD)decreases; doublesE)reduces; increases14)Venous valves are responsible for14)2
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