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: The set of means and systems that facilitate the contact of the infectious agent with the recipient subject corresponds to: 
 Options:  <1> Source of infection. <2> Habitat. <3> Transmission mechanism. <4> Biotope <5> Reservoir.
[A]: 3


[Q]: Question: Legionella pneumophila is transmitted by: 
 Options:  <1> Air conditioning systems. <2> Contact between individuals. <3> Mosquito bite. <4> Contaminated food. <5> Fecal-oral route.
[A]: 1


[Q]: Question: Regarding the exercises with the incentive spirometer, it is true that: 
 Options:  <1> They stimulate the patient to inhale quickly and deeply. <2> The patient must be in the supine position. <3> Spirometers can be of three types: volume, flow or pressure. <4> They are also called sustained maximum inspiration exercises. <5> All are false.
[A]:
4