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'.
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Question: Question: A classification of gas chromatography detectors commonly found in the literature divides them into concentration and mass detectors, destructive and non-destructive, integral or differential and universal or selective. According to this classification:
Options: <1> The thermal conductivity detector is a selective detector. <2> The flame ionization detector responds to the concentration of the analyte. <3> The thermal conductivity detector responds to the concentration of the analyte. <4> The phosphorus and nitrogen detector (NPD) is a universal detector. <5> The thermocalorimeter detector is of the differential type.

Answer: 3

Question: Question: The presence of foreign bodies such as small buttons, sunflower seeds, etc., in the respiratory tract in young children is a relatively frequent accident. Point out the signs that appear when these objects are lodged in the lower respiratory tract:
Options: <1> Episodes of cough, hoarseness and dyspnea. <2> Chronic cough, hypoventilation on auscultation, signs of infection. <3> Asphyxia, dyspnea, cyanosis, respiratory failure. <4> Fever, cough and dysphonia. <5> Tachypnea, increased respiratory effort.

Answer: 2

Question: Question: Which of the following gases is the most abundant in the alveolar air?
Options: <1> Oxygen. <2> Carbon dioxide <3> Water vapor. <4> Carbon monoxide. <5> Nitrogen.

Answer:
5