NSG121 Unit2-Part1 with verified solutions

NSG121 Unit2-Part1Cardiac Cycle - correct answer Events that occur in the heart from the beginning of one heart beat to the next. 3 Major Sequential Events: Diastole - correct answer -A and V in relaxed state, ventricles fill with blood -before pumping 3 Major Sequential Events: Atrial Systole - correct answer -myocardial contraction -blood is rushing into ventricles 3 Major Sequential Events: Ventricular Systole - correct answer -myocardial contraction -blood is passing to the arteries Base - correct answer top of the heart Apex - correct answer bottom of the heart, towards L side Heart pumps _____ mL of blood, or ___ L/min. - correct answer 60; 5 Coronary arteries supply _______________ blood to the heart. - correct answer oxygen-rich 3 Main Coronary Arteries: - correct answer -right coronary artery, -circumflex, -left anterior descending (LAD) AKA "widow maker" Cardiac Conduction System: