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: 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.
[A]: 2


[Q]: Question: Which of these foods should reduce a patient with high cholesterol from his diet? 
 Options:  <1> Cereals. <2> Vegetables. <3> Whole milk. <4> Olive oil. <5> Fish.
[A]: 3


[Q]: Question: The genus Anisakis is a: 
 Options:  <1> Digestive trematode. <2> Monogenetic trematode. <3> Nematode <4> Platelminto. <5> Arthropod.
[A]:
3