The normal pacemaker of the heart is located in
A) the Purkinje fibers.
B) the sinoatrial node.
C) the atrioventricular node.
D) the wall of the left ventricle.
E) both the left and right ventricles.
Correct Answer:
Verified
Q95: Figure 20-1 The Heart Q96: As a result of the long refractory Q97: Figure 20-1 The Heart Q98: In cardiac muscle, Q99: The T wave on an ECG tracing Q101: Which of the following describes what is Q102: Considering the left ventricle, why does isovolumetric Q103: An ECG is used to diagnose all Q104: The AV node delay is beneficial because Q105: Analysis of the electrocardiogram can reveal all
A) calcium ions are not
A)
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