151)Which of the following isnota cardiovascular modification present during fetal development?151)A)ductus arteriosusB)ligamentum arteriosumC)ductus venosusD)foramen ovaleE)They are all present in the fetus.152)Elderly individuals are more prone than younger individuals to have all of the following,except152)153)Capillaries are continuous, or153)23
154)Multiple arteries joined in order to serve a single capillary network are called154)155)The direct interconnection of two arteries is called an arterial155)A)merger.B)unification.C)portal.D)anastomosis.E)collateral.156)A(n) ________ is a direct connection between an arteriole and a venule.156)157)The vessel that supplies a capillary bed from an arteriole is called a157)158)The ________ are small blood vessels that nourish tissue components in the wall of large arteriesand veins.158)159)The increase in effective blood volume that results from venoconstriction is the159)A)venous reserve.B)capacitance of veins.C)vessel mobilization.D)vessel residual.E)venous return.160)The opening and closing of the precapillary sphincter is called160)24
161)In the condition known as ________, the wall of an artery becomes thicker and stiffer.161)162)The condition known as ________ is characterized by the formation of fatty plaques within the wallof arteries.162)163)Points where a muscular artery can be compressed against a bone to control severe bleeding arecalled163)A)regulation points.B)decompression points.C)palpation points.D)diastolic points.E)pressure points.164)Arterioles feed blood into164)
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