Cardiovascular Exam Part 1 2024|2024 Questions With Correct Answers

aorta {Ans: carries oxygenated blood from the heart to the body; leaves left ventricle}ventricular systole {Ans: ventricles contract}pericardium {Ans: epithelium: outer sac around heart: secretes lubricating fluid to protect the heart from getting bumped up as it beats}vena cava {Ans: carries deoxygenated blood from the body to the heart; enters right atrium}bicuspid valve {Ans: atrioventricular valve; between left atrium and left ventricle}diastole {Ans: relaxation period of heartbeat}polarized {Ans: cells have a net negative charge inside and a net positive charge outside}aortic valve {Ans: semilunar valve; between left ventricle and aorta}tricuspid valve {Ans: atrioventricular valve; between right atrium and right ventricle}epicardium {Ans: epithelium: outer layer of heart, inside pericardium}pulmonary artery {Ans: carries deoxygenated blood from the heart to the lungs; leaves right ventricle}atrial systole {Ans: beginning of heartbeat; atria contract; forces blood from atria to ventricles}depolarized {Ans: ion channels in the membrane open, allowing Na+ into the cell; net positive charge inside cell}left atrium {Ans: heart chamber; receives blood from pulmonary veins}pulmonary vein {Ans: carries oxygenated blood from the lungs to the heart; enters the left atrium}right ventricle {Ans: heart chamber; sends blood to lungs}left