Control of respiration · Physiology

Which condition most strongly stimulates peripheral chemoreceptors?

  1. High CO2
  2. Hypoxia
  3. Low CO2
  4. Hyperoxia
Show answer and explanation

Correct answer: Hypoxia

Peripheral chemoreceptors are most sensitive to hypoxia. A significant fall in arterial oxygen strongly increases their firing.

Difficulty: Medium Question 7 of 40

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