Question 1
Which of the following is
not a stimulus for breathing?
◦ rising blood pressure
◦ rising carbon dioxide levels
◦ arterial P
O2 below 60 mm Hg
◦ acidosis resulting from CO
2 retention
Question 2
Respiratory control centers are located in the ________.
◦ pons and midbrain
◦ upper spinal cord and medulla
◦ medulla and pons
◦ midbrain and medulla