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: Medicine
Diabetes inspidus is due to hyposecretion of which hormone: March 2013 
Select and explain. 
A. Insulin, B. Arginine VasoPressin/ AVP, C. Angiotensin, D. Aldosterone
B: Arginine VasoPressin/ AVP
Answer: B: Arginine VasoPressin/ AVP 
Explanation: Ans. B i.e. Arginine VasoPressin DOC for diabetes insipidus: Desmopressin (intranasally) DOC for SIADH: Demeclocycline