This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Which of the following is SSRI: 
Select and explain. 
A. Desipramine, B. Clomipramine, C. Fluvoxamine, D. Imipramine
C: Fluvoxamine
Answer: C: Fluvoxamine 
Explanation: (Ref: Katzung, 14th ed. pg. 540)* SSRI are selective serotonin reuptake inhibitor. Causing increased level of only serotonin in synaptic cleft.* DOC in mild to moderate depression* Drugs are:# CITALOPRAM# ESCITALOPRAM: Most specific SSRI# FLUOXETINE: Longest acting (50 hrs)# FLUOXAMINE: Shortest acting# PAROXETINE# SERTRALINE* TCA: Tricyclic Antidepressant# Inhibit reuptake of serotonin, Noradrenaline (NA) and Dopamine (DA)# Drugs are: Imipramine, Trimipramine, Desipramine,Clomipramine, Nortryptiline, Amitryptilline* SNRI: Serotonergic Noradrenergic reuptake inhibitor# Inhibit reuptake of serotonin and NA# Drugs are: Venlafaxine, Desvenlafaxine, Duloxetine, Milnacipran, Levomilnacipran