Exam Bank Solution Manual for Cardiovascular and Lymphatic Already Passed

Exam Bank Solution Manual for Cardiovascular and Lymphatic Already Passed What is the function of the heart in relationship to the circulatory system? - Answers it controls the circulation of blood throughout the body an adult heart is about the size of a - Answers fist what are the names of the 2 chambers found on each side of the heart? - Answers atrium and ventricle Why is the heart called a "double pump"? - Answers the right and left sides of the heart work in coordination to pump oxygenated blood to the body and deoxygenated blood to the lungs Blue blood designates____ blood, which is only seen in the chambers of the ____ side of the heart - Answers deoxygentated right red blood designates ______ blood, which is only seen in the chambers on the _____ side of the heart - Answers oxygenated left The thin sac that surrounds the heart is called the ____ and its function is _______ - Answers pericardium enclosing and protecting the heart List the layers of the heart wall,from interior to exterior - Answers endocardium, myocardium, epicardium What separates the right and left ventricles? - Answers the interventricular septum what is the purpose of the heart valves? - Answers to control the flow of blood through the heart and prevent blood backflow compare the right and left atrioventricular valves - Answers the right atrioventricular valve has 3 cusps and the left AV valve has 2 cusps compare the functions of the right and left ventricles - Answers the right ventricle pumps deoxygneated blood into the pulmonary trunk, wheras the left ventricle pumps oxygenated blood into the ascending aorta the right atrium receives ____ blood from the vena cava and the coronary sinus, and the left atrium recieves ___ blood from the pulmonary veins - Answers deoxygenated oxygenated which of the following statements accurately compares the right and left atria - Answers the right atrium is larger than the left atrium the endocardium lines the interior walls of the all of the following - Answers the visceral pericardium what is the function of the myocardium? - Answers it produces the heart's strong and continuous pumping action the right and left ventricles contain _______ muscles, which contract to pull on the chorae tendineae. The purpose of the Chordae tendineae is to - Answers papillary prevent inversion of the heart valves mediastinum - Answers contains the pericardial cavity (encloses the heart) and surrounds the remaining thoracic organs apex - Answers points inferior toward the left hip base of the heart - Answers posterior surface, of the heart is directed toward the right shoulder pericardium - Answers a double walled sac that encloses the heart fibrous pericardium - Answers loosely fitting superficial part of the pericardium tough and dense connective tissue 1)protects heart 2) anchors is to surrounding structures 3) prevents overfilling of the heart with blood serious pericardium - Answers thin, slippery,2 layer serous membrane that forms a closed sac around the heart parietal layer - Answers lines the internal surface of the fibrous pericardium visceral layer - Answers aka the Epicardium integral part of the heart wall layers of the heart - Answers Epicardium: most superficial layer myocardium: composed mainly of cardiac muscle and forms bulk of heart; contracts endocardium: lines the heart chambers; white sheet resting on a thin connective tissue layer atria - Answers receiving chambers for blood returning to the hard contract minimally interatrial spetum - Answers wall of tissue that separates the right and left atria ventricles - Answers -make up most of the volume of the heart -the discharging chambers, the actual pumps of the heart -when contracting, they propel blood out of the heart into circulation inter-ventricular septum - Answers wall separating the ventricles superior vena cava - Answers returns blood from body superior to diaphragm inferior vena cava - Answers returns blood from body below the diaphragm coronary sinus - Answers collects blood draining from the myocardium pulmonary veins - Answers transport blood from the lungs back to the heart enter the left atrium pulmonary trunk - Answers right ventricle pumps blood into here