A 30 year old man is breathing quietly while watching a TV show.
What is the single most likely drive of rate and depth of his breathing?

Question

A 30 year old man is breathing quietly while watching a TV show. 
 What is the single most likely drive of rate and depth of his breathing?

Answer

CO2 mainly through the central chemoreceptors

Answer

H+ mainly through the peripheral chemoreceptors

Answer

O2 mainly through the central chemoreceptors

Answer

O2 mainly through the peripheral chemoreceptors

Answer

CO2 mainly through the peripheral chemoreceptors

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