This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
In cases of hypercapnia there is 
Select and explain. 
A. Increased pH of blood, B. Decreased pH of blood, C. Remains same, D. Increased oxygen concentration in blood
B: Decreased pH of blood
Answer: B: Decreased pH of blood 
Explanation: None