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: Question: When performing a central peripheral insertion venous catheterization procedure, the nurse must take into account that: 
 Options:  <1> The catheter is ready for use immediately after insertion, not needing further checks. <2> It is vital to perform a chest X-ray and / or an electrocardiographic record prior to its use. <3> A complete electrocardiogram should be performed in order to avoid possible complications. <4> The location of the tip of the catheter is only checked if parenteral nutrition is to be administered through it. <5> You need to check your position using a chest x-ray and another abdomen.

Answer: 2


Question: Question: Delusions are characteristic symptoms of schizophrenia that: 
 Options:  <1> They include alterations in sensoperception. <2> They involve psychomotor hallucinations. <3> They represent a false belief based on a mistaken interpretation of reality by the patient. <4> They consist of an inability of the individual to adapt to social norms. <5> They are equated with illusions.

Answer: 3


Question: Question: In which of the drugs with antiviral activity does the purine base called guanine appear? 
 Options:  <1> Lamivudine <2> Zidovudine <3> Ribavirin <4> Acyclovir <5> Didanosine

Answer:
4