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Questions and Answers
The ups and downs on the ECG graph represent ______, not contraction.
depolarization
There is a gap in time between the ______ and the actual contractile event.
depolarization
The larger the amplitude of the deflection on the ECG, the larger the number of ______ cells.
depolarized
The P-wave represents the ______ depolarization that happens before contraction.
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The QRS complex represents ______ depolarization.
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The T-wave is the period of time when the ______ repolarize.
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The size of the T-wave varies from ______ to person.
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The QRS complex or P-waves are similar in amplitude from ______ to person.
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The R-wave is so much larger than the other waves because the ______ walls are very thick.
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The cells all ______ together, thus causing a great ventricular depolarization.
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