PLQ 42 45 46 48 Flashcards
1
Q
T/f Cardiac contraction requires oxygen energy and calcium to allow filaments to react with each other
A
True
2
Q
The SA node is an example of cell that has the ability to produce impulses by ___ without needing external stimuli
A
Automaticity
3
Q
Class 1 antiarrhythmics block
A
Sodium channels
4
Q
Action potential of cardiac muscle cells consist of how many phases
A
5
5
Q
Narrowing of coronary arteries that results from fatty tumor development
A
Atherosclerosis
6
Q
Angina pectoris
A
Suffocation of heart
