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: Pharmacology
All of the following are true except about GLP - 1 analogues except? 
Select and explain. 
A. All drug have to be given subcutaneously, B. Exenatide is safe in renal failure, C. They can lead to acute pancreatitis., D. Liraglutide can lead to retinopathy
B: Exenatide is safe in renal failure
Answer: B: Exenatide is safe in renal failure 
Explanation: As GLP - 1 analogues are peptides and they should be given subcutaneously.
They stimulate β - cells and chronic use can lead to acute pancreatitis.
Liraglutide & Semaglutide can cause retinopathy.
Exenatide is nephrotoxic and contraindicated in renal failure.