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: Pharmacology
Which proton pump inhibitor can be used IV - 
Select and explain. 
A. Omeprazole, B. Rabeprazole, C. Pantoprazole, D. Fomeprazole
C: Pantoprazole
Answer: C: Pantoprazole 
Explanation: Ans. is 'c' i.e., Pantoprazole o Pantaprazole - it is more acid stable and has higher oral bioavailability. It is also available for i.v. administration; particularly employed in bleeding peptic ulcer and for prophylaxis of acute stress ulcers.