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: GnRH (ganodorelin) is a hypothalamic decapeptide that is secreted in a pulsatile manner. Lately a series of analogues have been developed that: 
 Options:  <1> All of them inhibit prolonged secretion of LH and FSH. <2> All of them are GnRH receptor agonists. <3> Goserelin and buserelin are antagonists of the GnRH receptor. <4> The prolonged treatment gives rise to a typical symptomatology of an excess of gonadal steroids. <5> GnRH agonists are contraindicated in prostate and breast cancer.
[EX A]: 1

[EX Q]: Question: Statins are used to reduce cholesterol levels and act as analogs of the transition state of an enzyme involved in its biosynthesis. What enzyme is it? 
 Options:  <1> 14-Alpha-demethylase. <2> Hydroxymethylglutaryl coenzyme A (HMGCoA) reductase. <3> Cyclooxygenase 2 (COX-2). <4> Squalene epoxidase. <5> Aromatase
[EX A]: 2

[EX Q]: Question: From Piaget's epistemology, individuals are able to construct new schemes because they have inherited two intellectual functions that are: 
 Options:  <1> Reinforcement and punishment. <2> Organization and adaptation. <3> Assimilation and accommodation. <4> Self-regulation and assimilation. <5> Primary and secondary circular reaction.
[EX A]:
2