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'.

[Q]: Question: The classical pathway of complement is activated in response to: 
 Options:  <1> Antigen-antibody complexes. <2> Direct binding of C3b to bacterial walls. <3> Microbial glycolipids. <4> Properdin <5> The C-reactive protein.
[A]: 1


[Q]: Question: Which of the following is a characteristic of the psychopharmacological treatment of ADHD? 
 Options:  <1> To reduce motor distress, anxiolytic drugs are usually used. <2> Among its possible side effects are the worsening of behavior at the end of the day (rebound effect) and the intensification of existing tics. <3> The effect of methylphenidate is maintained in the medium term once the treatment has been interrupted. <4> It can improve attention and decrease hyperactivity but is not effective in managing impulsive behaviors. <5> When it is effective in improving attention and controlling hyperactivity, psychological intervention is unnecessary.
[A]: 2


[Q]: Question: What conclusion is reached in Asch's theory about the effects of context on social perception? 
 Options:  <1> If a trait is defined as central, it will be central in any context. <2> Traits, peripheral or central, are independent of the context in which they appear. <3> The same trait can be central in one context and peripheral in another. <4> The final impression is the result of the sum of each of the features separately. <5> The final impression is the result of the arithmetic mean of the values ​​of each of the features separately.
[A]:
3