In Studies of Dogs Running on Treadmills, C

Multiple Choice

In studies of dogs running on treadmills, C. R. Bainton found that when he doubled the speed of the treadmill,

A) arterial CO₂ levels increased exponentially by a power of 2.
B) arterial CO₂ levels were unchanged.
C) respiratory rate was unchanged.
D) respiratory rate increased.
E) Both b and d