This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: D.O.C, Subject name: Pharmacology
Alprostadil is indicated in - 
Select and explain. 
A. Erectile dysfunction, B. PPH, C. Glaucoma, D. Cervical ripening
A: Erectile dysfunction
Answer: A: Erectile dysfunction 
Explanation: Ans. is 'a' i.e., Erectile dysfunction o Alprostadil(PGE1) is commonly used for -i) To maintain the patency of ductus arteriosus.ii) Erectile dysfunction.