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What role do chemoreceptors play in respiratory physiology?

Practice Questions

Q1
What role do chemoreceptors play in respiratory physiology?
  1. They detect changes in blood pressure
  2. They monitor oxygen and carbon dioxide levels
  3. They regulate heart rate
  4. They control digestive enzymes

Questions & Step-by-Step Solutions

What role do chemoreceptors play in respiratory physiology?
  • Step 1: Understand that chemoreceptors are special sensors in the body.
  • Step 2: Know that these sensors detect the levels of oxygen (O2) and carbon dioxide (CO2) in the blood.
  • Step 3: Realize that when CO2 levels rise or O2 levels drop, chemoreceptors send signals to the brain.
  • Step 4: The brain responds by adjusting the breathing rate to bring O2 levels up and CO2 levels down.
  • Step 5: This process helps maintain a balance of gases in the body, which is important for health.
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