The time that starts when a muscle cell is depolarized and ends when it is able to be restimulated is the ________ period.
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Q70: The opening and closing of the heart
Q71: The atrioventricular (AV) node is located in
Q72: Blood moves into and then out of
Q73: In an EKG, the P wave is
Q74: The beginning of ventricular contraction, when all
Q76: During ventricular contraction
A) only the AV valves
Q77: Which segment of the ECG reflects the
Q78: Someone with tachyarrhythmia would be expected to
Q79: Atrial contraction occurs just before
A) isovolumetric relaxation.
B)
Q80: To initiate a cardiac muscle cell contraction,
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