Which receptors detect changes in oxygen, carbon dioxide and hydrogen ion concentration in the arterial blood?
Correct answer: A. Peripheral chemoreceptors
- A. Peripheral chemoreceptors
- B. Stretch receptors
- C. Baroreceptors
- D. Pain receptors
Explanation
Peripheral chemoreceptors in the carotid and aortic bodies respond especially to low arterial oxygen and also to changes in carbon dioxide and hydrogen ions. Stretch receptors monitor lung inflation, while baroreceptors monitor blood pressure.
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About Respiratory System
The respiratory system includes the air passages, lungs, pleura, alveoli and the mechanics of breathing. It explains pulmonary ventilation, gas exchange, oxygen and carbon dioxide transport, regulation of breathing, and the difference between external respiration in the lungs and internal respiration in body tissues.
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