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amandeep68 amandeep68
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6 years ago
Following damage to his heart, Jim is having a pacemaker implanted. Which one of the following components of the heart does this device replace the activity of?
A) atrioventricular node
B) sinoatrial valve
C) atrioventricular bundle
D) Purkinje fibers
E) sinoatrial node
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withoutyoungwithoutyoung
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6 years ago
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amandeep68 Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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