Which characteristic of cardiac cells enables them to generate electrical impulses spontaneously without external stimulus?

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Multiple choice — select the best answer

AContractility
BConductivity
CExcitability
DAutomaticity

✓ Correct answer: D. Automaticity Answer: Automaticity Automaticity is the cell's ability to generate electrical impulses spontaneously without needing any external stimulus. Contractility is the ability to contract the cardiac muscle. Conductivity is the ability to pass electrical impulses along neighboring cells. Excitability is the ability to respond to electrical impulses through depolarization.

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Which characteristic of cardiac cells enables them to generate electrical impulses spontaneously without external stimulus?

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