The normal site of origin of electrical impulses in the heart is the ____________, which generates ___________ impulses per minute.

A. sinoatrial node, 50 to 60
B. bundle of His, 80 to 100
C. sinoatrial node, 60 to 100
D. atrioventricular node, 60 to 80


Ans: C. sinoatrial node, 60 to 100

Health Professions

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Health Professions

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Indicate whether the statement is true or false

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