EMT Cardiology FISDAP final exam

EMT Cardiology FISDAP final exam Sinoatrial node - what is and where - correct answer---natural pacemaker of the heart, superior right atrium, generates signals and is regulated by CNS Atrioventricular node - correct answer---divides right atrium/ventricle, carries signal between Bundle of HIS - correct answer---Transmission impulses from AV node to ventricles Purkinje fibers - correct answer--- Left bundle branch - correct answer---Left division of bundle of HIS Right bundle branch - correct answer---Left division of bundle of HIS Sympathetic nervous system - correct answer---fight or flight system, adjusts body for increased physical activity Parasympathetic nervous system - correct answer---Opposite of sympathetic, can slow heart and respiratory rate Myocardium - correct answer---Heart muscle Stroke volume - correct answer---Amount of volume ejected per ventricular contraction perfusion - correct answer---constant flow of oxygenated blood to the tissue Atherosclerosis - correct answer---calcium/cholesterol occlude or cause a collusion (block) in a coronary artery acute myocardial infarction - correct answer---Blockage in a coronary artery, subsequent death of myocardial tissues, like a long term angina ischemia - correct answer---decreased blood flow to an organ infarction - correct answer---death of tissue cardiac arrest - correct answer---complete stopping of heart activity components of circulatory system - correct answer---heart, blood vessels, blood Acute coronary syndrome - correct answer---a group of symptoms caused by