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
A patient presents with depressed mood, loss of sleep, loss of hope, feeling of wohlessness and diminished concentration for last 1 month. Which of the following is the drug of choice in this patient? 
Select and explain. 
A. SSRIs, B. Atypical antidepressants, C. Lithium, D. Tricyclic antidepressants
A: SSRIs
Answer: A: SSRIs 
Explanation: The diagnosis in this patient would be depression. SSRIs are usually used as the first antidepressants as they have a much better side effect profile than other antidepressants