Choose the correct answer.
A. A stethoscope is used to measure pulse rate. (True/ False)
B. The _____ node sets the rate and rhythm of the heartbeat. (SA node/ AV node)

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Solution

A. True
B. SA node

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i. SA node iii. AV valve

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Choose the correct answer.​ A. A stethoscope is used to measure pulse rate.​ (True/ False) B. The _____ node sets the rate and rhythm of the heartbeat.​ (SA node/ AV node)

A. True B. SA node

Choose the correct answer.
A. A stethoscope is used to measure pulse rate. (True/ False)
B. The _____ node sets the rate and rhythm of the heartbeat. (SA node/ AV node)

A. True
B. SA node