WCU PHYS 261 FINAL EXAM REVIEW 2024 WITH 100% ACCURATE ANSWERS

The volume of blood pumped out of the heart from one ventricle during one contraction - correct answer Stroke Volume (SV) The rapid depolarization phase of the action potentials of myocardial contractile cells is due to which ion(s)? - correct answer Na+ only The volume of blood in the ventricle available to be pumped out of the heart during one contraction - correct answer End- diastolic volume (EDV) The volume of blood left in the ventricle after it contracts - correct answer End- systolic volume (ESV) The volume of blood ejected from each ventricle during a contraction - correct answer Stroke volume (SV) What happens when calcium binds to troponin? - correct answer Tropomyosin is pulled away from the myosin-binding site on actin. The driving force for blood flow is a(n) ________ gradient. - correct answer pressure Which would NOT cause an increase in blood pressure? - correct answer a decrease in cardiac output Match the name of the wave with the correlated event: ventricular