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Practice question

MCQ

Question

Which of the following statements about the respiratory centers is incorrect?

Options

Choose one · Correct answer highlighted

The medulla oblongata regulates the basic rhythm of breathing. The pneumotaxic center shortens inspiration to prevent lung overinflation. Chemoreceptors in the body only detect oxygen levels. Correct High CO₂ levels stimulate an increase in respiratory rate.

Explanation

Chemoreceptors detect levels of CO₂, O₂, and H⁺ in the blood to regulate respiration.

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