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: The reaction conditions for the preparation of 2-methyl-2-methoxypropan-1-ol from 2,2-dimethyloxirane are: 
 Options:  <1> Methanol in acid medium. <2> Lithium aluminum hydride in methanol. <3> Methylmagnesium bromide and subsequent hydrolysis. <4> Sodium methoxide in methanol. <5> Triphenylphosphine in methanol.
[A]: 1


[Q]: Question: Of the antiemetic drugs reviewed, in which of them their pharmacological activity is NOT related to dopaminergic receptors ?: 
 Options:  <1> Granisetron. <2> Cleboprida. <3> Droperidol <4> Tietilperazine. <5> Domperidone
[A]: 1


[Q]: Question: Which of the following multivariate analysis techniques analyzes the covariation presented by a set of metric variables, susceptible of being synthesized in a set of common factors that lie behind them? 
 Options:  <1> Multiple discriminant analysis. <2> Multiple linear regression <3> Multivariate analysis of variance. <4> Factorial analysis. <5> Analysis of structural equations.
[A]:
4