Intro to the heart Flashcards
(6 cards)
1
Q
What are the layers of the pericardium?
A
Inner to outer
Endocardium - one cell thick Myocardium - thick muscle Visceral pericardium - serous tissue Parietal pericardium - serous tissue Fibrous pericardium - connective tissue holding the heart
2
Q
What are the four chambers and valves?
A
Left and right atria and ventricles
AV valves - biccuspid and tricuspid
Semilunar valves
3
Q
What is the structure of a blood vessel? And what are they known as
A
Tunica externa
- elastic
Tunica media
- elastic but internal
Tunica intima
Conduit
Resistance
Exchange
Capacitance
4
Q
How is blood supplied to the heart?
A
Right coronary artery
Left circumflex
Right coronary artery
Left anterior descending
Right conus
5
Q
How is blood drained from the heart?
A
Great cardiac veins
Anterior interventricular vein
Middle cardiac
Right marginal
Anterior veins
6
Q
What are the branches of the aortic arch
A
Brachiocephalic
Left common carotid
Left subclavian
