You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which among the following statement regarding skeletal and cardiac muscle is false and explain in detail?
Ans: c (Both have graded contraction) Ref: Ganong 22nd ed/p.79Cardiac action potentialAction potential can be defined as the sequence of changes in the membrane potential in an excitable cell due to opening and closure of differention channels after application of a threshold stimulus.Phases of action potentialPhase 0 - Opening of voltage gated Na channel.Phase 1 - closure of sodium chan-nel- leads to initial rapid depolarization.Phase 2 - plateau phase- due to opening of L type Ca2+channels.Phase 3 - final repolarization due to closure of Ca2+ channels & K+ efflux.Phase 4 - resting membrane potential.