Which of the following pacemaker cell populations has the fastest intrinsic rate of depolarization at about 60 times per minute?
A) atrioventricular (AV) node
B) Purkinje fiber system
C) sinoatrial (SA) node
D) atrioventricular (AV) bundle
Correct Answer:
Verified
Q20: The visceral pericardium is the same as
Q21: Which of the following is NOT a
Q22: What characteristic differentiates cardiac muscle cells from
Q23: Where should the left ventricle send blood?
A)
Q24: What do pacemaker cell action potentials lack?
A)
Q26: What valve prevents the backflow of blood
Q27: How do cardiac cells sustain a membrane
Q28: What vessel(s) deliver oxygenated blood to the
Q29: A contractile cell with a membrane potential
Q30: During what part of the action potential
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