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: Question: In relation to the hearing and balance processes, indicate which statement is correct: 
 Options:  <1> The sounds are perceived in the organ of Corti and the balance in ampullary crests and maculae. <2> The auditory signal is processed in the cerebellum. <3> The inner ear is full of air. <4> Otoliths are composed of quartz. <5> All answers are false.

Answer: 1


Question: Question: Epidemiology allows early detection of changes in the incidence of a certain disease in the population. For this, the most correct thing is to use: 
 Options:  <1> The etiological investigation. <2> The description of the natural history of the disease. <3> Epidemiological surveillance. <4> The evaluation of the functioning of the services. <5> None of the previous answers is correct.

Answer: 3


Question: Question: One of the following enzymes is classified as MAL: 
 Options:  <1> Lactate dehydrogenase - Oxidoreductase. <2> Chymotrypsin - Hydrolase. <3> Fumarasa - Liasa. <4> Aminoacyl-tRNA synthetase - Ligase <5> Nucleoside monophosphate kinase - Isomerase.

Answer:
5