Coronary circulation · Physiology

Coronary autoregulation refers to the ability to:

  1. Maintain a constant systemic blood pressure
  2. Adjust flow despite pressure changes
  3. Increase heart rate automatically
  4. Prevent coronary atherosclerosis
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Correct answer: Adjust flow despite pressure changes

Coronary autoregulation maintains relatively constant blood flow over a range of pressures. It protects myocardial perfusion.

Difficulty: Medium Question 9 of 20

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