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Chapter 15 quiz

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
bicuspid valve.   Valve between the left atrium and left ventricle  
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tricuspid valve.   Valve between the right atrium and right ventricle  
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right ventricle.   Chamber that pumps blood to the lungs  
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left ventricle.   Chamber that pumps blood into aorta  
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left atrium.   Chamber that receives oxygenated blood from lungs  
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right atrium.   Chamber that receives deoxygenated blood the body  
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aortic valve.   Valve between the left ventricle and aorta  
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pulmonary valve.   Valve between right ventricle and pulmonary trunk  
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What does pericardium do   Pericardium anchors the heart to the diaphragm.  
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superior vena cava   blood vessel which delivers deoxygenated blood from the head and neck to the heart  
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An embolus originating in the coronary sinus would first enter the   right atrium  
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Function of the chordae tendineae and papillary muscles of the heart   Help prevent the atrioventricular valves from protruding into the atria when the ventricles contract.  
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Which chamber of the heart has the thickest layer of myocardium?   left ventricle  
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The normal “pacemaker” of the heart is the   sinoatrial  
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What is normal heart action?   The two atria contract together, and then the two ventricles contract together.  
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Heart sounds are produced by?   closure of the heart valves  
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Heart rate and strength of contraction are controlled by the cardiovascular center, which is located in the   medullar  
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The portion of the ECG that corresponds to atrial depolarization is the   P wave  
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The opening of the semilunar valves is due tot he pressure in the   ventricles  
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On the surface of the heart, the boundaries between the atria and ventricles can be distinguished by the   coronary sulcus  
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The Frank-Starling law of the heart   Is important in maintaining equal blood output from both ventricles.  
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. Which of the following sequences best represents the pathway of an action potential through the heart’s conduction system?   sinoatrial (SA) node, atrioventricular, atrioventricular (AV) bundle, right and left bundle branches, Purkinje fibers  
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What is NOT? true concerning the ventricular filing parts of the cardiac cycle?   The semilunar valves are open.  
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Cardiac output   equals stroke volume  
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Most heart problems are due to   problems in the coronary circulation  
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mitral valve   prolapse may cause heart murmur  
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cardiac tamponade   heart compression  
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pericarditis   inflammation of heart covering  
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systole   heart chamber contraction  
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angina pectoris   chest pain from ischemia  
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myocardial infarction   heart attack  
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diastole   heart chamber relaxation  
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