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'.

Question: In the treatment of an overdose of paracetamol is used: 
 Options:  <1> Flumazenil. <2> Edetato sodium calcium. <3> Pralidoxime <4> N-acetylcysteine. <5> Nitro of amyl.
4

Question: Among the criteria of DSM-IV for the diagnosis of Obsessive Compulsive Personality Disorder, are: 
 Options:  <1> A general pattern of concern for order, perfectionism, mental and interpersonal control at the expense of effectiveness, as well as a tendency to delegate to other tasks or work. <2> It shows rigidity and stubbornness, as well as a tendency to squander money. <3> Concern for details, rules, rules, lists, order, organization, schedules, until losing sight of the main objective of the activity. <4> Lax dedication to work and productivity, excluding leisure activities, unscrupulous in matters of morals and ethics. <5> Tendency to get rid of useless objects, even if they have a sentimental value. Miserly style in terms of expenses, both for him and for others.
3

Question: The metal that appears most frequently in the active site of metalloproteases is: 
 Options:  <1> Calcium. <2> Magnesium. <3> Selenium. <4> Sodium. <5> Zinc.

5