This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood disorders, Subject name: Psychiatry
All the following are tricyclic antidepressants except 
Select and explain. 
A. Mianserin, B. Imipramine, C. Protriptyline, D. Maprotiline
A: Mianserin
Answer: A: Mianserin 
Explanation: there are several types of antidepressants namely tri cyclic antidepressent=== amitriptilline, clomipramine, imipramine, noriptilline SSRI=================fluoxetine, paroxetine, fluvoxamine, seraline, citalopram, escitalopram SNRI=================venlafaxine, desvenlafaxine, duloxetine Mianserin is tetracyclic and atypical antidepressant Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 607