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: It is an oncogen: 
 Options:  <1> NF1 <2> P53 <3> RB <4> cMYC. <5> WT1.

A: 4
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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
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Q: Question: Which of the following steps of cholesterol biosynthesis is what controls the speed and place of metabolic regulation: 
 Options:  <1> Geranyl pyrophosphate Farnesyl pyrophosphate. <2> Squalene  Lanosterol <3> Lanosterol  Cholesterol. <4> Acetyl CoA  Acetoacetyl CoA. <5> 3-Hydroxy-3-methylglutaryl CoA Mevalonic acid.

A:
5
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