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: According to the phenomenon of social facilitation when a person develops a task poorly learned in the presence of others, the execution of said task: 
 Options:  <1> It improves slightly. <2> It improves substantively. <3> It does not change. <4> Gets worse. <5> It is not predictable.

SOLUTION: 4

PROBLEM: Question: In the activation of the serum complement, the assembly of the Membrane Attack Complex begins with: 
 Options:  <1> C9 <2> C5b. <3> C3a. <4> C6 <5> C8.

SOLUTION: 2

PROBLEM: Question: In personality psychology, when talking about consistency and stability of the personality, one can be referring to the observation that: 
 Options:  <1> The features that the person shows are coherent with their ontogenetic history. <2> The behaviors and situations that are equated through the time points are similar. <3> Personality is the response to situational demands. <4> The items that evaluate a trait maintain high correlations with each other. <5> Stable and consistent behaviors are indicators of mental health.

SOLUTION:
2