This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pharmacology
All of the following indications of vasopressin are based on stimulation of V2 receptors EXCEPT: 
Select and explain. 
A. Central diabetes insipidus, B. Bed wetting in children, C. Von-Willebrand's disease, D. Esophageal varices
D: Esophageal varices
Answer: D: Esophageal varices 
Explanation: Vasoconstriction is caused by V1 receptors whereas anti-diuresis and release of vWF from endothelium is mediated by V2 receptors of vasopressin.