cardiovascular+study+guide.docx

The opening of the aortic valve triggers the

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The opening of the aortic valve triggers the beginning of _____________. What occurs to LV pressure and LV volume during isovolumic contraction? What is mitral stenosis? What is a valve insufficiency? Define myocardial ischemia. What is a cause of ischemia and heart attack? What occurs in heart rate and stroke volume with heart failure? Chapter 21:
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Why is high blood pressure dangerous? In what blood vessel does gas exchange occur? What is a characteristic of arterioles? What is a characteristic of veins? What is a characteristic of arteries? What is the function of the lymph vessels? What vessel do lymph vessels resemble? What are some things that affect venous return? What factors affect fluid balance and bulk flow in the capillaries? What factors affect the vascular tone of the arterioles? What is the vessel that takes blood from the lungs back to the heart? Name the vessels (in order) traveled through in a trip around the systemic circulation. With vasoconstriction, how does resistance change? What factors affect blood flow? How does an increased pressure gradient affect blood flow? How does increased resistance affect blood flow? What factors affect resistance? Which vessel has the greatest total cross-sectional area? Which vessels have the greatest velocity? The slowest velocity? Why do we have so many capillaries? What is the major component of the arteriole wall? Why does the artery wall need so much elastin and collagen? What is the purpose of the venous valves?
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