16) Layer of blood vessels innervated by sympathetic vasomotor fibers. |
C) tunica media |
17) Capillaries consist of only this layer. |
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18) Structure that regulates blood flow into true capillaries. |
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19) Wide leaky capillaries found in bone marrow and spleen. |
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20) A "coming together" of alternate pathways of blood vessels. |
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21) Precapillary sphincters allow blood to leave this structure and enter true capillaries. |
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22) Collective name for the structures that drain the cranium |
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23) Present in most capillaries, these structures are absent in those of the blood-brain |
… |
24) Vessels of the small intestines, renal glomerulus, and synovial membranes that allow |
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25) Microvasculature that provides nourishment to the outer walls of the aorta. |
… |
26) Which layer of blood vessels contains smooth muscle tissue? |
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27) Most small molecules pass through a capillary wall through which route? |
… |
28) Functionally, there are no valves in arteries (as opposed to in veins) because |
… |
29) Blood pressure is highest in the |
… |
30) The hepatic portal system has two distinct capillary beds separated by a portal vein. |
… |
31) An aneurysm is |
… |
32) The pulse of the facial artery is palpated |
… |
33) A blood vessel that ranges from 0.3 mm to about 1 cm in diameter and has a large |
… |
34) In a capillary bed, relaxation of the precapillary sphincters causes more blood to flow |
… |
35) The dorsalis pedis artery is located by |
… |
36) What artery enters the skull through the foramen spinosum and supplies the inner |
… |
37) Two large (wide) arteries that have relatively superficial locations and are often |
… |
38) If a physician cannot feel a pulse in the popliteal fossa, the ________ artery is most likely |
… |
39) Of the following, the only unpaired dural sinus is the |
… |
40) Which vessel is missing in the following statement? "Tracing venous blood from the |
… |
41) The foramen ovale in the heart normally closes |
… |
42) Which vessel is most commonly used to bypass a damaged coronary artery in coronary |
… |
43) What vessel in the fetus connects the pulmonary trunk to the aortic arch so that most of |
… |
44) Which of the following statements about arteries is false? |
… |
45) Which branch (or branches) of the abdominal aorta supplies the stomach? |
… |
46) The cerebral arterial circle forms a loop around which structures? |
… |
47) A common theme to the development of atherosclerosis is |
… |
48) The abdominal aorta divides at its distal end into which arteries? |
… |
49) Which of the following is most likely to become a varicose vein? |
… |
50) Fenestrated capillaries |
… |
51) The correct proximal to distal sequence of the three vessels branching from the aortic |
… |
52) What prevents the backflow of blood in veins? |
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53) The largest molecules that pass through the walls of typical capillaries are thought to |
… |
54) The internal carotid artery branches to form the |
… |
55) The major cause of atherosclerosis is due to the |
… |
56) Most systemic venous blood is both oxygen-poor and nutrient-poor. However, systemic |
… |
57) The ________ delivers arterial blood to the rotator cuff muscles and thyroid gland. |
… |
58) The diameter of a typical capillary is similar to that of |
… |
59) Which of the following statements about arterioles is false? |
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60) Systemic venous blood that is oxygen-poor but contains the lowest concentration of |
… |
61) A preferred site to insert intravenous catheters is into the |
… |
62) Which artery arises from the inferior part of the abdominal aorta and supplies the |
… |
63) The main arteries of the sole of the foot—the medial and lateral plantar arteries—arise |
… |
64) A dural sinus that contains a major artery and some cranial nerves within it is the |
… |
65) Which vessel is missing from the following statement? "Tracing blood that drains from |
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66) In the adult, the hepatic portal system carries nutrients absorbed from the digestive |
… |
67) The right suprarenal and gonadal veins drain into the inferior vena cava, whereas the |
… |
68) Phlebitis is |
… |
69) By definition, veins are |
… |
70) Which body tissues lack capillaries? |
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71) Which arteries connect the basilar artery and the internal carotid artery forming the |
… |
72) The extensor muscles of the forearm are supplied by which artery? |
… |
73) The lumbar veins drain the inferior posterior abdominal wall and direct oxygen-poor |
… |
74) Which of the following is not a branch of the celiac trunk? |
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75) The right gonadal vein drains into the |
… |
76) The circulatory route that runs from the digestive tract to the liver is called |
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77) Blood passing through the fetal ductus arteriosus bypasses the |
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Chapter 19
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