Intro to Cardio Flashcards
1
Q
Where in the CV system is the most resistance
A
The arterioles
Small radius = high resistance
2
Q
Order of the electrical conduction system
A
Sinoatrial node AV node Bundle of HIS Bundle branches Purkinje fibers
3
Q
Main coronary arteries
A
Right coronary artery
Left main CA (splits into LAD and left circumflex)
4
Q
3 main functions of the pericardium
A
Important role in cardiac mechanics
Allows appropriate lubrication
Serves as a barrier to limit infections
5
Q
Macroanatomic cardiac abnormalities
A
Chambers Valves Great vessels Rhythm Coronary arteries Pericardium
6
Q
Microanatomic cardiac abnormalities
A
Gap junction
Myofibril (muscle fiber, ion channels, signalling molecules and receptors)
