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- QUESTION 2 During ventricular systole, The AV valves are open and the semilunar valves are closed while the ventricle contracts O The AV valves are closed and the semilunar valves are open until sufficient pressure is generated in the ventricle to force the AV valves to close Blood flows passively from the atria and the ventricle fills with no change in ventricular volume O O The aorta and pulmonary arteries are at the mean arterial pressure The AV valves are closed and the semilunar valves are closed until sufficient pressure is generated in the ventricle to force the semilunar valves openQuestion 1 Within capillaries, blood slows to its lowest rate due mostly to O decreased cross sectional area O increased cross sectional area O decreased pressure O increased CO2 A Moving to another question will save this response. MacBook AirQuestion 12 Who would have the highest hematocrit? O normal female living at high altitude O person with iron deficient anemia O marathon runner (female) living at high altitude O normal female living at sea level
- QUESTION 23 Which of the following statements is correct, given the following pressure measurements: Aorta = 100 mm Hg Left atrium = 40 mm Hg Left ventricle = 120 mm Hg The ventricle is in diastole, the filling phase The semilunar valve is open The valves are all closed The atrium is in the ejection phaseQuestion 7 Which of the following occurs to break up a clot after a vessel has healed? tissue plasminogen activator inhibtor, inhibits fibrin so the fibrin mesh can break dow O tissue plasminogen activator converts plasminogen into plasmin to induce fibrinolysis O Platelet-derived growth factor converts febrin into fibrinogen which breaks up the clo none of the above are trueQuestion 73 Bypass surgery involves O a grafted vein or artery reaching from the aorta to the site beyond coronary blockage O deviating blood so that is does not exit the aorta a grafted capillary reaching from the aorta to the site beyond coronary blockag using stents to open a coronary artery Lecture S...pdf
- QUESTION 8 Which sequence is correct regarding the direction of blood filow through the cardiovascular system: O Aorta, pulmonary artery, vena cava, pulmonary vein O Aorta, carotid artery, pulmonary vein, pulmonary artery O Pulmonary vein, pulmonary artery, aorta, Vena cava O Aorta, pulmonary vein, tricuspid valve, left ventricle O Aorta, Vena cava, tricuspid valve, right ventricleQUESTION 2 During ventricular systole, The AV valves are open and the semilunar valves are closed while the ventricle contracts The AV valves are closed and the semilunar valves are open until sufficient pressure is generated in the ventricle to force the AV valves to close Blood flows passively from the atria and the ventricle fills with no change in ventricular volume O The aorta and pulmonary arteries are at the mean arterial pressure The AV valves are closed and the semilunar valves are closed until sufficient pressure is generated in the ventricle to force the semilunar valves open O O O CQUESTION 20 Which of the following represents a volume-independent increase in blood pressure? O Increased venous return to the atria Vasodilation Ventricular systole O Dehydration
- QUESTION 6 A systemic capillary has a hydraulic pressure of 35 mm Hg at the arteriole side and a hydraulic pressure of 25 mm Hg on the venule side. Within the capillary, the colloid osmotic pressure is constant at 18 mm Hg. As a result: Fluid will be forced out of the capillary on the arteriole side and all of it will be absorbed by the lymphatics on the venule side Fluid will be absorbed by the capillary on the arteriole side and lymph will be supplied by the lymphatics on the venule side The fluid will be forced out continually from the capillary on both the arteriole and venule side Fluid will be absorbed by the capillary on the arteriole side and forced out of the capillary on the venule side Fluid will be forced out of the capillary at the arteriole side and reabsorbed by the capillary on the venule sideQuestion 10 Hemostasis. Which factor when activated converts prothrombin into thrombin? O II VII O IXQuestion 72 The left atrioventricular, or mitral valve, normally has cusps. two O three O no four Lecture S...pdf