AIIMS May 2011 – MCQ 90
The primary direct stimulus for excitation of central chemoreceptors is ?
A. Increased H+
B. Increased CO2
c. Increased O2
D. Decreased CO2
Please contribute to the discussion by posting the answer with references and pointing out any errors in the question!
3 Comments
Increased H+ …its a repeat AI2009
increased co2….ganong physiology p627
Increasd H+