15 Feb What prolongs that length of contraction of cardiomyocytes? Opening of sodium (Na+) channels Opening of calcium (Ca2+) channels Opening of potassium (K+) channels The sodium/potass
What prolongs that length of contraction of cardiomyocytes?
Opening of sodium (Na+) channels
Opening of calcium (Ca2+) channels
Opening of potassium (K+) channels
The sodium/potassium pump
What happens when the signal from the AV node cannot progress to the bundle of His?
The heart stops beating
The heart rate increases
The heart rate decreases
The heart rate is not affected
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