<prompt> Which proton pump inhibitor can be used IV -OmeprazoleRabeprazolePantoprazoleFomeprazole  <response>: 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. 