The long length of the cardiac action potential,at 200- 300 msec,allows for:
A) a reduction in strength of the heart's contraction.
B) less calcium ions to enter cells.
C) a faster heart rate.
D) an opportunity for the heart to fill with blood.
Correct Answer:
Verified
Q21: What ion movement changes the membrane potential
Q22: Where should the left ventricle send blood?
A)left
Q23: The rapid influx of calcium ions into
Q24: What valve prevents the backflow of blood
Q25: What vessel(s)deliver oxygenated blood to the left
Q27: A contractile cell with a sustained membrane
Q28: Blood in the right ventricle arrived from
Q29: Which vessel is guarded by a semilunar
Q30: As a result of the long refractory
Q31: Which of the following is NOT a
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