In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The gas used to generate the ICP plasma (coupled induction plasma) is: 
 Options:  <0> Hydrogen for being diatomic, chemically inert and with a low ionization energy. <1> Oxygen because it is diatomic, highly reactive and with a high ionization energy. <2> Argon, being monatomic, chemically inert and with a high ionization energy. <3> Xenon, being monatomic, highly reactive and with a low ionization energy. <4> None of the above is correct, because the gas used is helium.
chemistry

Question: Question linked to image No. 1 In the same patient, from the observation of the chest x-ray, it can be deduced: 
 Options:  <0> That the patient has pulmonary metastases. <1> Suspected nosocomial pneumonia. <2> A failure (dehiscence) of the colonic anastomosis should be considered. <3> Suspicion of PET <4> You have an infection of the surgical wound.
medicine

Question: A 65-year-old man has advanced terminal cancer. What data would indicate that it is near the end of his life? Point out the best option: 
 Options:  <0> Abdominal distension. <1> Temperature of 38º C. <2> Urinary incontinence <3> Stertorous respiration. <4> Drowsiness.

nursery