The downslope of the T wave:
A) is the point of ventricular repolarization to which a defibrillator is synchronized to deliver electrical energy.
B) is the strongest part of ventricular depolarization and is often the origin of dangerous ventricular arrhythmias.
C) represents a state of absolute ventricular refractoriness in which another impulse cannot cause depolarization.
D) represents a vulnerable period during which a strong impulse could cause depolarization, resulting in a lethal arrhythmia.
Answer: D) represents a vulnerable period during which a strong impulse could cause depolarization, resulting in a lethal arrhythmia.
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Fill in the blank(s) with the appropriate word(s).
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