Lesson 1 Flashcards
heart weight
300g
how much does the heart pump daily?
9000L
what part of the heart rests on the diaphragm
apex
layers of the heart from the outside
peri
myo
endo
what tissue is arteries/veins of the heart in?
adipose tissue
sulci roles?
separate 2 posterior chambers
right side of heart
deoxygenated
left side of heart
oxygenated
t/f heart is a closed loop circuit?
T!
wall of right atrium thickness?
2-3mm reservoir
oracles are like…
a dogs ear
right ventricle thickness
4-5mm
t/f atriums are the same size?
T!
t/f ventricles are the same size?
F! left ventricle is 10-15mm thick because it pumps blood to the whole body
tricuspid valves
3 moon shaped cuspids
r atrium to r ventricle
tunica’s from outer to inner (vein/artery anatomy)
externa media interna (smooth)
anastomoses
having more then 1 way of supplying blood
capillaries
blood and CO2/O2 exchange
grabs nutrients and waste
veins have higher pressure t/f?
F! arteries have higher pressure
jugular venous distention
blood isn’t flowing into the heart properly
inspect chest
never shock on pace maker!!!
lub (s1)
ventricles contract
closing of atrioventricular valves
dub (s2)
best hearing place is ERBs point
limb lead placement
wrist, shoulder, thighs, feet
MUST BE 10CM FROM HEART!
