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The structure with the highest inherent rate of depolarisation is the:

ASC node
BSD node
CSA node
DSB node
Answer & Solution
Correct answer: C. SA node
1. It fires before any other tissue. 2. It therefore sets the rhythm. 3. That is the SA node. _Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._
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