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: Physiology
Which of the following results in increase in secretion of ADH? 
Select and explain. 
A. Hypervolemia, B. Hypeension, C. Hypovolemia, D. Decrease osmolarity
C: Hypovolemia
Answer: C: Hypovolemia 
Explanation: Ans: C HypovolemiaRef: Guyton 12th/e p. 9051Hypovolemia (Decreased ECF) stimulates the release of ADH.Vasopressin secretion is increased by: - i) Increased osmolarity (osmotic pressure) of plasma; ii) Decreased ECF volume; iii) Pain, emotion, stress, exercise; iv) Nausea and vomiting; v) Standing; vi) Clofibrate, Carbamazapine; vii) Angiotensin II.