CRAT Exam Questions with Correct Answers 2024 Update Top Rated Quality

CRAT Exam Questions with Correct Answers 2024 Update Top Rated Quality Chronotropic heart rate Inotropic force of myocardial contractility Dromotropic conduction velocity through the AV node Systole contraction of chamber, blood is being ejected. Pressure rises during systole. Diastole rest, relaxation of chamber, chamber is allowed to fill. Pressure falls during diastole. Stroke Volume the amount of blood left ventricle pumps in each beat. (mL/beat) Cardiac output- definition The amount of blood pumped into the aorta each minute. (units= mL/min) Cardiac output- equation (HR) X (Stroke Volume) Avg. healthy adult= 4-8 L/min Venous return amount of blood flowing into the right heart from the systemic ciruclation Blood Pressure- definition force exerted by the blood against the walls of the arteries as the ventricles contract and relax Blood pressure- equation (cardiac output) X (peripheral resistance) or you could put it another way: (HR)(Stroke Volume)(Peripheral Resistance) An increase in Potassium or decrease in Calcium cause the heart to be ____. flaccid, limp, dilated, lower HR