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: Pharmacology
Which of the following anti-hypeensives was once used as an antipsychotic ? 
Select and explain. 
A. Atenolol, B. Propranolol, C. Clonidine, D. Reserpine
D: Reserpine
Answer: D: Reserpine 
Explanation: Ans. is 'd' i.e., Reserpine o Reserpine was used as an anti-psychotic and anti-hypeensive drug but was withdrawn to risk of suicidal tendencies.