EKG practice test Exam Questions And Answers With 100% Correct Answers

EKG practice test Exam Questions And Answers With 100% Correct Answers What is the force the heart has to push against? - answerAfterload What is the point of the heart that points inferiorly toward the left hip? - answerapex of the heart The top chambers of the heart that are separated by interatrial septum are called? - answeratria This is located b/t the atria and ventricles - answerAtrioventricular valve AKA: AV valve The valves of the heart are..... - answerflaps of fibrous tissue firmly anchored to the Anuli fibrosi Cordis. Prevent backflow. What is valve b/t the right atrium and right ventricle? - answerTricuspid valve What is the valve b/t the left atrium and left ventricle? - answerBicuspid/ Mitral valve What do you call the broad flat part of the heart that points toward the right shoulder? - answerbase of the heart The amount of blood the heart pumps in 1 min is called? and what is its normal? - answerCardiac Output 4-8 L These are tendens that hold the AV valve in place so it prevents it from swinging upward into the atria.... - answerChordae Tendineae This drug effect on the heart will change the heart rate? - answerChronotropic effect A drug that has chronotropic effects can be _______ or ________? - answerpositive or negative A positive chronotropic drug effect will _____ hr? - answerincrease A negative chronotropic drug effect will _____ hr? - answerdecrease This is the resting phase of the heart? - answerDiastole What is the inner most layer of the heart called? It is continous with the inner layer of blood vessels. - answerendocardium What is the outer most layer of the heart called? Its the outer surface and great vessels. - answerEpicardium What drug effect effects the strength of the contractions of the heart? - answerinotropic effect A positive inotropic effect increases _______ of heart. - answerstrength A negative ______ effect decreases strength of heart. - answerinotropic What is the middle muscle layer of the heart? It consists of bands of muscle fibers that contract creating the pumplike action needed to pump blood through. - answerMyocardium This is the outer covering layer? A double wall sac around the heart. - answerPericardium The primary Function of the Pericardium is to? - answerPROTECT the heart ANCHOR heart to structures PREVENT heart from overfilling Refers to the defree that the myocardial fiver is stretched prior to contraction. also related to volume, when the heart chambers fill with blood? - answerPreload Where is the preload best measured at? - answervena cava You have two semilunar valves what are they called? - answerPulmonary semilunar and Aortic semilunar The pulmonary semilunar valve is the ______ tract of the right ventricle? - answeroutflow The aortic semilunar valve is the outflow tract of the the ____ ventricle? - answerlef