This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'All the following regarding prostaglandin analogues are true except \nSelect and explain. \nA. Alprostadil- Erectile dysfunction, B. Carboprost : Peptic ulcer, C. Iloprost: Pulmonary hypeension, D. Travoprost: Glaucoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Carboprost is PGF2 alpha analog which is primarily a vasoconstrictor.Ref: KD Tripathi, 7th ed. Pg 190', 'role': 'assistant'}]