TASK DEFINITION: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
PROBLEM: Question: The main pharmacological treatment for obsessive-compulsive disorder or OCD is: 
 Options:  <1> Dopamine agonists. <2> NMDA receptor blockers. <3> Inhibitors of monoamine oxidase or MAOIs. <4> Selective serotonin or 5-HT reuptake inhibitors. <5> Neuroleptics

SOLUTION: 4

PROBLEM: Question: One of the signs that can appear in the postoperative period is tympanism, which means: 
 Options:  <1> Paralysis of intestinal peristalsis. <2> Tympanic perforation due to increased pressure. <3> Evisceration <4> Retention of gases in the intestine. <5> Severe abdominal pain.

SOLUTION: 4

PROBLEM: Question: Markovnikov's rule predicts regioselectivity in the reactions of: 
 Options:  <1> Nucleophile substitution. <2> Electrophilic aromatic substitution. <3> Electrophilic addition. <4> Nucleophilic addition. <5> Oxidation of alcohols.

SOLUTION:
3