Matching Pairs the cardiovascular systemOnline version cardiovascular system by Rose 1 Right atrium 2 In fetal circulation, the __________ connects the pulmonary trunk to the aorta, allowing blood to bypass the nonfunctional fetal lungs. 3 Starting with the pacemaker, impulses pass through the components of the intrinsic conduction system in which order? 4 Which vessel receives blood directly from the left ventricle? 5 Select all of the true statements regarding arteries. 6 Select all of the factors that increase peripheral resistance. 7 Vigorous exercise increases the demand for blood to supply active skeletal muscles. Select all of the factors that would help meet this demand. 8 Right atrium 9 Left ventricle 10 Blood that nourishes the heart wall is provided by the right and left __________. 11 Select all of the veins that ultimately drain into the inferior vena cava. 12 Select the correct statement regarding blood pressure. 13 What connects anterior & posterior brain blood supplies? 14 Which of the following describes the umbilical vein? 15 Right ventricle 16 The layer of the heart that actually contracts is the 17 The tiny mass of cells that forms the pacemaker of the heart is called the __________. 18 Which of the following occurs during the ventricular systole phase of the cardiac cycle? 19 Which heart chamber has the thickest wall? 20 Select all of the blood vessels that transport oxygen-rich blood. 21 Left atrium 22 Select all of the correct statements regarding the size, location, and orientation of the heart. 23 The first heart sound (lub) results from closing the __________ valves. 24 Select all of the ways that arteries and veins differ structurally. 25 cardiac output 26 Left ventricle 27 Which of the following factors would cause an increase in the heart rate? 28 Left atrium 29 At the arterial end of a capillary, blood pressure is __________ than osmotic pressure, and fluid flows __________ the capillary. 30 Right ventricle Pulmonary veins Aorta The heart is approximately the same size as a person's fist. The heart is located between the lungs within the mediastinum of the thoracic cavity. more; out of Aortic semilunar valve Tricuspid valve cardiac output ductus arteriosus Left ventricle Aorta tricuspid and biscuspid (mitral) Great saphenous veins Hepatic veins Common iliac veins Transports oxygen-rich blood from the placenta to the fetus sinoatrial (SA) node The pressure in the ventricles is higher than the pressure in the aorta and pulmonary trunk. Increased stroke volume Increased heart rate The tunica media is thicker in arteries compared to veins. Veins have larger lumens than arteries. Arteries transport blood away from the heart to the capillaries. Smooth muscle in the tunica media enables arteries to change vessel diameter. Epinephrine Exercise Vasoconstriction Increased blood viscosity Atherosclerosis Biscuspid (mitral) valve Pumps oxygen-poor blood to the lungs Pulmonary semilunar valve coronary arteries myocardium Circle of Willis The systolic blood pressure corresponds to the pressure generated in an artery at the peak of ventricular contraction. Receives oxygen-poor blood from the body Receives oxygen-rich blood from the lungs Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle, Purkinje fibers Pumps oxygen-rich blood to the body 1 Which electrical event does the T wave of an electrocardiogram (ECG) represent? Ventricular repolarization
