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'.

[EX Q]: Question: Amantadine is a drug that can be used as: 
 Options:  <1> Antiviral and antiparkinsonian. <2> Antipsychotic and antiemetic. <3> Anxiolytic and antifungal. <4> Antifungal and antiparkinsonian. <5> Antifungal and anti-migraine.
[EX A]: 1

[EX Q]: Question: The control of vital signs is fundamental in the assessment of the neurological patient. Many neurological disorders can present alterations of the respiratory pattern or frequency, indicating damage to the respiratory center or the nervous system. One of these abnormal breathing patterns, present in meningitis or cases of supratentorial injury, is Cheyne-Stokes respiration, characterized by: 
 Options:  <1> Regular frequency and superficial character. <2> Absence of clearly observable breathing. <3> A series of breaths that increase in amplitude / intensity to a maximum point in which they begin to decrease, followed by an apnea pause. <4> Slow and regular breaths with a frequency less than 10 per minute. <5> It is an abnormal and sustained increase in both depth and respiratory rate.
[EX A]: 3

[EX Q]: Question: The anatomical dead space: 
 Options:  <1> It is always greater than the physiological one. <2> Secret surfactants. <3> Includes medium-sized bronchioles. <4> It allows gaseous exchange. <5> Includes the volume of inspiratory reserve.
[EX A]:
3