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 pharmacological treatment of hallucinations and delusions, what is the correct answer? 
 Options:  <1> Between 30-50% of people with psychosis treated with antipsychotics continue to experience difficulties derived from clinical symptoms. <2> Antipsychotics act on the positive symptoms of psychosis, but mainly eliminate the negative symptoms. <3> The extrapyramidal side effects they cause are intractable. <4> When an antipsychotic does not improve symptoms, changing the treatment is not advisable. <5> It is advisable not to combine it with psychological treatment until the psychotic symptoms have disappeared.
1

Question: The innate immune response to viruses is mainly mediated by lymphocytes: 
 Options:  <1> B1 <2> Th1. <3> Cytolytic T <4> NK <5> Tγδ.
4

Question: What is the role of the helicase in replication ?: 
 Options:  <1> Join the single-stranded DNA to prevent the double helix from forming again. <2> Catalyze the union of nucleotides. <3> Correct the errors that occur in the replication. <4> Synthesize a primer to start replication. <5> Mechanically separate the strands of double-stranded DNA.

5