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 has superficial cells with abundant glycogen: 
 Options:  <1> Language. <2> Esophagus. <3> Thin skin <4> Vagina. <5> Thick skin.

A: 4
****
Q: Question: The corpuscles of Pacini: 
 Options:  <1> They are innervated by unmyelinated fibers. <2> They are mechanoreceptors of slow adaptation. <3> They have small receptor fields. <4> They are located in deep areas of the dermis. <5> They are thermoreceptors.

A: 4
****
Q: Question: One of the main limitations of the behavioral treatment (exposure with prevention of response) of OCD is: 
 Options:  <1> His recent appearance. <2> The reduced efficacy compared to cognitive and pharmacological treatments. <3> The lack of an explanatory theoretical model. <4> The difficulty of application in cases of motor rituals. <5> The existence of a relevant percentage of patients who reject treatment because of its aversive nature.

A:
5
****