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Edmentum
Humanizer
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GA-Essentials of Healthcare
Unit Test — Unit test
Question 8
8
Quiz
Multiple Choice
Unit Test — Unit test
Question 8 of 21 • GA-Essentials of Healthcare
The “pacemaker” of the heart starts an electrical impulse in the right atrium to cause the atria to contract. What is the “pacemaker” of the heart?
Answer
A
the SA node
B
the AV node
C
the bundle of His
D
the Purkinje fibers
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