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ap 100 FAP
ch. 14
| Question | Answer |
|---|---|
| The heart, blood and blood vessels of the body constitute the _________ _________ | cardiovascular system |
| The _____ muscle of the heart is the pumping organ of the system. | cardiac |
| The function of the cardiovascular system is the transportation of _____. | blood |
| The heart is situated in the ________ surrounded by the pericardial sac. | mediastinum |
| The _________ ____ is composed of two layers; the fibrous pericardium and the serous pericardium. | pericardial sac |
| The outter layer of the paricardial sac is the ________ pericardium. | fibrous |
| The inner layer of the paricardial sac is the _______ pericardium. | serous |
| The fibrous pericardium _______ the heart in the mediastinum and prevents overdistention of the heart. | anchors |
| The outter most layer of the heart wall is called the _______ or visceral pericardium. | epicardium |
| A space called the ________ ______ separates the epicardium from the serous pericardium of the pericardial sac. | pericardial cavity |
| The second layer of the heart that makes up the bulk of the heart and consists of cardiac muscle tissue is the _________. | myocardium |
| The innermost third layer of the heart is the __________. | endocardium |
| The _____ is divided into 4 chamers; two upper and two lower. | heart |
| The ____ _____ of the heart are the right atrium and the left atrium. | upper chambers |
| each atrium has an external appendage called an _______. | auricle |
| The ______ ______ of the heart are the right ventricle and the left ventricle. | lower chambers |
| the right ventrile and the left ventricle are seperated internally from one another by the __________ ________ | interventricular septum |
| externally, the groove that separates the atria from the ventricles is the ______ _____ | coronary sinus |
| The superior or anterior vena cava receives blood from the _____ parts of the body. | upper |
| The inferior or posterior vena cava receives blood from the lower parts of the body. | lower |
| The _____ _____ drains blood from the heart. | coronary sinus |
| The ascending _____ carries oxygenated blood away from the heart to all parts of the body. | aorta |
| ______ walls are thin. | atrial |
| _____ walls are thick | ventricle |
| The _____ ventricle has the thickest walls of cardiac muscle because of the great distance it must transport blood | left |
| ______ prevent blood from backflowing. | valves |
| The ______ valve is made of three cusps or flaps. | tricuspid |
| The _____ valve is made of two cusps or flaps. | bicuspid |
| The _______ ______ valve is found in the right ventricle. | pulmonary semilunar |
| The _____ _____ valve is found in the left ventricle. | aortic semilunar. |
| The ______ valves are made of three cusps or flaps. | semilunar |
| Deoxygenated blood returns to the heart from all parts of the body vis the superior andinferior ____ ____ to the right atrium of the heart. | vena cava |
| The _______ system of the heart generates and distributes electrical impulses over the heart, which causes contraction of the heart. | conduction |
| The ________ ____ is also known as the pacemaker. | sinoatrial node |
| In a _____ _____ the two atria contract simultaneously while the ventricles relax, and the two ventricles contract simultaneously while the atria relax. | cardiac cycle |
| The phase of contraction is called ______. | systole |
| The phase of relaxation is called _______. | diastole |
| An average ______ cycle take .8 second. | cardiac |
| _______ circulation includes all the oxygenated blood that leaves the left ventricle and all the deoxygenated blood that returns to the right atrium. | systemic |
| ______ circulation includes the deoxygenated blood that leaves the right ventricle to the pulmonary trunk. | pulmonary |
| _______ circulation is the route in the brain. | cerebral |
| _____ circulation exsists only between the developing fetus and its mother. | fetal |
| The inner most layer of an artery or vein is the _____ ____, made of a single layer of endothelial cells. | tunica intima |
| The middle layer of an artery or vein is the ____ _____, made of smooth muscle. | tunica media |
| The outter layer of an artery or vein is the ____ _____, made of white fibrous connective tissue. | tunica adventitia |
| The cavity of blood vessels is called the _____. | lumen. |
| arteries are thicker and stronger then _____. | veins |
| ______ are small arteries that deliver blood to capillaries. | arterioles |
| _______ are microscopic vessels that connect arteriols with venules. | capillaries |
| ________ are small vessels that connect capillaries to veins. | venules |
| veins have less elastic and smooth muscle than arteries but have more ______ _____ tissue. | fibrous connective |
| _______ have internal valves to ensure blood flow in one direction. | veins |
| _____ ______ are veins with thin walls. | venous sinuses |
| The ______ is the larges artery of the body. | aorta |
| Most of the _____ of the body are in deep and protected areas of the body. | arteries |
| _____ are found closer to the surface of the body. | veins |
| The veins of the body converge with either the superior or inferior ____ ____. | vena cava |
| The superior and inferior are the two largest ______ of the body and empty into the right atrium of the heart. | veins |
Created by:
airdude