Coronary circulation · Physiology

Which factor decreases coronary vascular resistance?

  1. Hypoxia
  2. Sympathetic alpha stimulation
  3. Increased intraventricular pressure
  4. Cold exposure
Show answer and explanation

Correct answer: Hypoxia

Hypoxia leads to release of vasodilators such as adenosine. This lowers coronary resistance.

Difficulty: Medium Question 14 of 20

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