In a normal contractile myocyte action potential what role does calcium play?

Expert Solution

Sydney Mullin answered 2 years ago

In a conduction cell like an SA node action potential, what role does calcium play?

a) What role does positive feedback play in the generation of the action potential? b) The...

a) What role does positive feedback play in the generation of the action potential? b) The concentration of which ion would you change extracellularly to increase the probability of generating an action potential and why? State clearly whether you would increase or decrease the concentration.

What role does calcium play in the body? How do we keep the balance of calcium

what role do a membrane channels play in action potential? What are the key events in...

what role do a membrane channels play in action potential? What are the key events in an action potential?

What role does calcium play in this regulation, and where is it stored in a muscle fiber?

Why are action potentials so important? What role does astimulus play?

Why are action potentials so important? What role does a stimulus play?

1. Which of the following statements is false? a. The action potential of a cardiac contractile...

1. Which of the following statements is false? a. The action potential of a cardiac contractile cell has a plateau. b. The action potential of a cardiac contractile cell has three phases. c. The action potential of a cardiac contractile cell has a gradual depolarization. d. The action potential of a cardiac contractile cell returns to rest. 2. The electrical axis of the heart corresponds to: a. The conduction of the heart b. The cardiac contractile cell action potential c....

compare and contrast the phases and ionic events that produce an action potential in a contractile...

compare and contrast the phases and ionic events that produce an action potential in a contractile cardiomyocyte from an action potential in the specialized conduction tissue like a sino-atrial nodal cell

Describe in detail the action potential of myocardial contractile cells. Be sure to names the phases,...

Describe in detail the action potential of myocardial contractile cells. Be sure to names the phases, include the main types of membrane proteins involved, how they are opened, the movements of ions, and the changes in membrane potential. Explain how this type of action potential is different from that seen in a skeletal muscle cell and why the difference(s) are significant.

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