BrainMass Quizzes The Heart This quiz test the understanding of the heart and some of its parts. It is important to understand how the heart functions and what makes it function. 1 The human heart has four valves. Which one is not a valve of the heart? tricuspid valve biscuspid valve pulmonary valve atrioventricular valve 2 The pulmonary and aortic heart valve prevents backflow from the superior vena cavae and aorta atrioventricular valve aortic valve tricuspid valve 3 Systole is the period during which the ventricles or atria of the heart relax period during which the ventricles or atria of the heart contract blood pressure of the heart chamber “lub” of the mitral valve 4 Which is the correct pathway of a single drop of blood through the heart? superior and inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary trunk, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic heart valve, aorta, systemic capillaries, body tissues superior and inferior vena cavae, right atrium, right ventricle, pulmonary trunk, left atrium, left ventricle, aorta, systemic capillaries inferior vena cavae, right ventricle, right atrium, pulmonary semilunar valve, pulmonary trunk, pulmonary veins, left atrium, left ventricle, aorta, systemic capillaries, body tissues superior vena cavae, right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary trunk, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic heart valve, systemic capillaries 5 The heart wall is composed of three layers. Which one does not belong? myocardium epicardium pericardium endocardium Submit Quiz
