cardio physio

Question 1

electric impulse pathway

Answer 1

1)SA (sinoatrial) node generates electrical impulse
2)a impulse excites the right atrium
2)b impulse bachmann’s bundle to left bundle
3)a internodal pathway SA > AV
interventricular septum - bundle branch (only in septum) of His
at base separate into left and right bundle branch which depolarise left and right ventricles
purkinje fibers (upwards) - ends of the (complete muscle contracton)

Question 2

SA ____ current which sends ___

Answer 2

node generates electrochemical

impulses

Question 3

bundle of his aka

Answer 3

atrioventricular