Multiple Choice
The rapidly depolarizing cells, called pacemaker cells, are found in the ________, which is embedded in the posterior wall of the right atrium.
A) right bundle branch
B) AV node
C) left bundle branch
D) intermodal pathways
E) SA node
Correct Answer:

Verified
Correct Answer:
Verified
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Q16: Figure 21.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.2
Q17: Figure 21.5<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.5
Q19: Figure 21.4<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.4
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