This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
Which of the following secretions has a very high pH? 
Select and explain. 
A. Gastric juice, B. Pancreatic juice, C. Bile in gall bladder, D. Saliva
B: Pancreatic juice
Answer: B: Pancreatic juice 
Explanation: Gastric juice is acidic with a pH varying from 1to2. -Pancreatic juice is alkaline with a pH ranging from 7.8-8.4 Gallbladder bile is alkaline & pH is ranging from 7-7.6 -pH of saliva varies from 6-7.4 & is slightly acidic. Reference: Medical Physiology, Indu Khurana