The following are structural components of the conducting system of the heart. 1. Purkinje fibers
2) AV bundle
3) AV node
4) SA node
5) bundle branches
The sequence in which excitation would move through this system is
A) 3, 2, 4, 5, 1.
B) 4, 2, 3, 5, 1.
C) 1, 4, 3, 2, 5.
D) 4, 3, 2, 5, 1.
E) 3, 5, 4, 2, 1.
Correct Answer:
Verified
Q15: A heartbeat lasts
A) 100 msec.
B) 370 msec.
C)
Q16: Depolarization of the atria corresponds to the
Q17: The visceral pericardium is the same as
Q18: The function of the atrium is to
A)
Q19: _is to contraction as_ is to relaxation.
A)
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