Question

Fear or excitement, generally cause one to breathe rapidly and it results in the decrease of concentration of CO₂ in blood. In what way it will change pH of blood?

(a) pH will increase 

(b) pH will decrease

(c) No change 

(d) pH will be 7

Answer 1

Correct option: (c) No change

Explanation: 

Blood buffers do not allow a change in pH. It contains serum protein which act as buffer.