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: Psychiatry
Mode of action of fluoxetine - 
Select and explain. 
A. GABA agonist, B. GABA antagonist, C. Inhibit uptake of 5-HT, D. Increase uptake of 5-HT
C: Inhibit uptake of 5-HT
Answer: C: Inhibit uptake of 5-HT 
Explanation: Fluoxetine is a selective serotonin reuptake inhibitor.