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'.

[EX Q]: Question: What is the main risk factor in the appearance of ischemic or hemorrhagic ICTUS? 
 Options:  <1> Cardiopathy <2> Mellitus diabetes. <3> Hyperlipidemia <4> Arterial hypertension. <5> Obesity.
[EX A]: 4

[EX Q]: Question: Which of the following criteria does NOT correspond to any of the nine established in the Model of the European Foundation for Quality Management (EFQM): 
 Options:  <1> Leadership. <2> People. <3> Processes, products and services. <4> Efficiency. <5> Key results
[EX A]: 4

[EX Q]: Question: On which of the following enzymes does citrate exert a positive allosteric effect? 
 Options:  <1> Pyruvate kinase. <2> Acetyl CoA carboxylase. <3> Fosfofructoquinasa. <4> Fatty acid synthetase. <5> Enolasa
[EX A]:
2