Which of the Following Statements About the Regulation of Respiration

question 72

Multiple Choice

Which of the following statements about the regulation of respiration is false?

• A) Respiratory centers in the medulla control the transition from inspiration to expiration.
• B) Carbon dioxide concentration is the most important chemical stimulus for regulating respiratory rate.
• C) Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in the blood.
• D) A group of neurons in the ventral medulla only become active when we need to breathe forcefully.
• E) Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion concentration.

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