EMT Cardiology FISDAP Exam Questions with 100% Correct Answers

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