[Answer] Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction?

Answer: Depolarization

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Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction? Which of the following delays the electrical impulse for muscle contraction giving the atria time to contract completely and fill the ventricles with blood? AV node Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction ? Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction ? Depolarization Which precordial electrode is placed in the fifth intercostal space directly below the middle of the armpit? peaks and valleys observed in an ECG tracing. depolarization . electrical impulse that initiates a chain reaction resulting in contraction. electrocardiograph. instrument that measures and displays the electrical impulses of the heart. electrode. electrical impulse sensor. forced vital capacity. Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction ? depolarization: Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle? electrocardiogram Condition of having two separate poles one is positive and the other is negative. Polarity. Electrical impulse that initiates a chain reaction resulting in contraction. Depolarization . Electrical impulse sensors. Electrodes. Polarity is rest...

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