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Stack #23324

heartbodystructureandfunction

QuestionAnswer
location of the endocardium innermost layer
mycardium compostion cardiac muscle tissue
inflammation of the pericadial sac cardiac tamponade
type of blood received from the superior and inferior venae cavae unoxygenated blood
The blood from the right heart pumps blood to what organ? lungs
pulmonary circulation blood from the right side of the heart to and through the lungs and back to left side of heart
systemic circulation blood flows from the left heart to all the organs and back to the right heart
The right atrium receives blood from what large veins? superior and inferior vena cavae
The primary function of the right ventricle pump blood to the lungs
What chamber recieves oxygenated blood from the lungs through four pumonary veins left atrium
The primary function of the left ventricle pump blood into the systemic circulation
The largest artery of the body aorta
Name the entrance valves of the heart tricuspid and bicuspid
name the two semilunar valves pulmonic and aortic valve
the first heart sound closure of the AV valves at the beginning of ventricular contraction
the second heart sound closure of the semilunar valves at the beginning of ventricular relazation
coronary arteries blood supply that nourishes and oxygenates the myocardium
The SA node fires a cardiac impulse at what rate? 60-100 times per minute
Pacemaker of the heart SA node
The cardiac impulse slows down at what point in the heart bundle of HIS
The long fibers in the left and right bundle branches Purkinje fibers
automaticity the ability for the heart to create a cardiac impulse within the cardiac tissue itself
rhythmicity cardiac tissue fires a cardiac impulse regularly
atrial depolarization on a EKG P wave
ventricular depolarization on a EKG QRS complex
ventricular repolarization on a EKG T wave
The contraction of the heart muscle systole
relaxation of the myocardium diastole
Name the 3 stages of the cardiac cycle atrial systole,ventricular systole, and diastole
cardiac output (CO) the amount of blood pumped by each ventricle in 1 minute
What 2 factors determine cardiac output heart rate and stroke volume
The equation for Cardiac output is? CO= HR X Stroke volume
stroke volume the amount of blood pumped by the ventricle per beat
Created by: katyrn
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