34. Cardiac Action Potential

Question 1

Cardiac potential :-
1.
2.

Answer 1

159

Question 2

SA node
Pacemaker of heart

Chronotropy

Sympathetic system : -
Parasympathetic system :-
Restless membrane potential of SA node :-

Answer 2

159

Question 3

Ventricular action potential :-
Concerned with :-
Inotrophy
RMP =

Answer 3

159

Question 4

SA node potential image

Phase 4 :- 
Channels 
1. 
2. 
3. 
Most imp factor :-

Answer 4

159

Question 5

Phase Zero
Depolarisation due to :-
Channel :-

Answer 5

159

Question 6

Phase 3
Repolarisation due to :-
At the end of repolarisation :-

Answer 6

159

Question 7

No phase 1,2 in cardiac muscle

Answer 7

160

Question 8

I( f ) funny current 
Special type of :- 
Also called :- HNC 
Present in 
1. 
2. 

If blocker :- decreases ,,,,,
Ex :-

Image 
Effect of sympathetic :- by 
Parasympathetic :- by 
Both drugs acts on :- 
Increase slop :- 
Decrease slop :-

Answer 8

160

Question 9

Ventricular action potential :-
Conscerned with :-
RMP :-

Phase 0:- 
Phase 1 :- 
Phase 2 :- 
Phase 3 :- by 
Phase 4 :- 
RMP by

Answer 9

161

Question 10

Conduction system :-
Conduct SA nodal potential to
Property of conduction is known as :-

Components of conducting system :-
1. SA node :- impulse generation rate :-
Inhibited by :-
If vagal is blocked by :- …..SA node impulse :-

🤩resting heart rate of transplanted heart is
Transplanted heart :-
No :-

2. AV node
   DeLay of impulse by :-
   Also called :-
3. Bundle of his :-
4. Purkinje fibers :-
   Innervated every :-
   Conduction velocity :-

Gap junction is highest in :-
Highest conduction velocity is of :-
Slowest conduction velocity is of :-
Gap junction number is lowest in :-

Answer 10

163