ANSWERS
20-25% of cardiac output comes from.... correct answer atrial contractions
atrial fibrillation correct answer atrium quivering, not contracting strongly
calcium is related to ... correct answer contractility
dextrocardia correct answer heart in right side of chest
endocarditis correct answer inflammation/infection of valve tissue
fibrous pericardium correct answer prevents overfilling of blood in heart
Fluid is related to.... correct answer preload
How can you decrease contractility? correct answer block calcium channels
beta blockers
How can you increase contractility? correct answer give pt. calcium
How does the left ventricle send blood? correct answer eject blood out of body
via aorta
, How many heart chambers are there and what are they? correct answer 4
right atrium
right ventricle
left atrium
left ventricle
How much does the heart weigh? correct answer less than 1 lb. about 30 Grams
Hypertension is related to... correct answer afterload
parasympathetic correct answer rest and digest
baroreceptors
pericarditis correct answer pericardial sac gets inflammed and hardened
semilunar valves produce... correct answer S2 sound
stroke volume x heart rate = ? correct answer cardiac output
sympathetic correct answer fight or flight
beta 1 receptor in heart
beta 2 receptor in lungs
The "back up pacemaker" of the heart correct answer AV node