Which of the following correctly describes the relative refractory period?
A) It is the period in which even a weak impulse can cause another depolarization.
B) It is the period in which only a strong impulse can cause another depolarization.
C) It is the period in which no impulses at all can cause another depolarization.
D) It is the period in which the heart function stops temporarily to allow impulse transmission to occur.
Correct Answer:
Verified
Q15: Depolarization is a(n)
A)electrical event that should result
Q16: The P wave represents
A)atrial depolarization.
B)atrial repolarization.
C)ventricular depolarization.
D)ventricular
Q17: What electrical event must occur for atrial
Q18: Which of the following is NOT true?
A)Cardiac
Q19: In the action potential,phase 0 is
A)depolarization.
B)plateau.
C)rapid repolarization.
D)rest.
Q21: Which of the following characteristics of heart
Q22: The pacemaker is the _ of the
Q23: A QRS complex with one positive deflection
Q24: A beat that appears on the rhythm
Q25: The ventricle's inherent rate is
A)20-40 beats per
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