Human Biology: Concepts and Current Issues (8th Edition)
Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 8, Problem 2AWK

When a coronary artery bypass graft (CABG) is performed, the vessels used for the bypass grafts are usually veins taken from the patient's legs. Over time the grafted veins take on many of the characteristics of arteries; that is, they become thicker and stiffer. What might this suggest about the possible cause(s) of the structural differences between arteries and veins? Hypothesize what might happen if you took a section of artery and implanted it into a vein.

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Which statement best describes a characteristic of ALL arteries? Select one: O a. Arteries lead towards the heart O b. Arteries lead away from the heart Arteries carry oxygenated blood O c. O d. Arteries carry deoxygenated blood
Which of the choices below best describes the systemic circulation of blood?a. The flow of blood into the right atrium and eventually out of the left ventricle.b. The movement of blood from the pulmonary trunk, through capillaries into the pulmonary veins.c. The movement of blood into the coronary arteries, through capillaries into the coronary sinus.d. The movement of blood from the aorta, through arteries and capillaries and then eventually to the vena cavae.
Which statement is accurate about veins? a. Veins always transports deoxygenated blood. b. Veins drain into smaller vessels called venules. c. The largest tunic in a vein is the tunica externa. d. The lumen of a vein tends to be smaller than that of a comparably sized artery
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