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'.

Question: Of the following reaction mechanisms, in which there is an inversion of the configuration from the reactant to the product of the reaction ?: 
 Options:  <1> Bimolecular nucleophilic substitution (SN2). <2> Unimolecular elimination (E1). <3> Unimolecular nucleophilic substitution (SN1). <4> Addition Markovnikov. <5> Addition anti-Markovnikov.
1

Question: The model of ethical foundation exposed by Carol Gilligan is called Ethics: 
 Options:  <1> Of Maxima. <2> Of Duty. <3> Of Care <4> Of Minimes. <5> Of Justice.
3

Question: The hydrolases of the lysosomes act in medium: 
 Options:  <1> Acid. <2> Basic. <3> Neutral. <4> It depends on the material to digest. <5> At any pH.

1