Ch.12 Test Heart
varicose veins
blood that pools in the veins that causes discomfort in thighs and legs
balloon angioplasty and stent placement
common technique to improve blood flow and remove plaque in coronary vessels
coronary artery disease
condition in which the coronary circulation is partially or completely blocked
atrial systole
contraction of the upper chambers of the heart
plaque
fatty mass of tissue that projects into the lumen of the vessel and restricts blood flow
valves
folds of the tunica intima that projects from the vessel wall and point in the direction of blood flow
SA node
if normal pacemaker of heart fails, job will be taken over by the
right atrium receives
oxygenated blood from the vena cava
venoconstriction
reduces the diameter of the veins and the amount of blood contained in the venous system
ventricular diastole
relaxation of lower chambers of the heart
interventricular septum
separates 2 ventricles
interatrial septum
separates the 2 atria
diaphragm
the apex of the heart lies superior to the
superior
the base of the heart is the portion that is most
superior and inferior vena cava
the right atrium receives blood from the
coronary arteries
the vessels that supply blood to the heart are called the
arteriosclerosis
thickening and toughening of arterial walls
balloon angioplasty
tip of catheter containing an inflatable balloon is inflated, pressing the plaque against the vessel walls