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: 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.
[A]: 1


[Q]: Question: What amino acids can be bound to a sugar by an O-glycosidic bond? 
 Options:  <1> Ser and Thr. <2> Cys and Ser. <3> Asn and Thr. <4> Lys and His. <5> Val and Leu.
[A]: 1


[Q]: Question: In chromatography, the dead time can be defined as: 
 Options:  <1> The time between the injection of a sample and the appearance of a solute peak in the detector. <2> The factor that indicates the amount of time a solute spends in the stationary phase in relation to the time spent in the mobile phase. <3> The time it takes for a non-retained species to pass through a chromatographic column. <4> The time it takes for the analyte to pass through the chromatographic detector. <5> The relationship between the average linear velocity and the packing length of the column.
[A]:
3