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: In gas chromatography, derivatization is very common, with several objectives. One of those discussed below is not among them: 
 Options:  <1> Increase the volatility of non-volatile compounds. <2> Avoid the decomposition of a compound, improving its stability. <3> Reduce the absorption on active surfaces of the walls of the column and the solid support. <4> Fragment the analyte in molecular ions of easier separation. <5> Improve the separation of closely related compounds with a very poor separation.

Answer: 4


Question: Question: Question linked to image no. 5 A 41-year-old man referred for presenting for more than 5 years bilateral alternating gluteal pain predominantly nocturnal, which interferes with sleep and relieves with mobilization. It is accompanied by stiffness for more than 1 hour after inactivity. Denies pain, swelling or deformity to another level. It provides elementary analytics without alterations except PCR 11.5 mg / dl (N <5) and the attached radiograph. The objective radiological alteration and the most probable diagnosis would be: 
 Options:  <1> Fracture of Looser- Osteomalacia. <2> Bilateral sacroiliitis - Ankylosing spondylitis. <3> Coexistence of lytic and blastic lesions Paget's disease. <4> Blastic lesions - Prostatic adenocarcinoma with bone metastases. <5> Osteosclerosis - Lymphoma.

Answer: 2


Question: Question: Mr. T. T., 92 years old, admitted to the hospitalization unit recently, has started with different symptoms that suggest that he has an acute confusional syndrome. Within the measures of prevention and care for this problem is indicated: 
 Options:  <1> Advise the family not to stop constantly stimulating the patient. <2> Use physical restraint in all these patients to prevent falls. <3> Avoid joining two patients with this problem in the same room. <4> Remove dental, hearing and visual prosthetics to prevent injuries. <5> Avoid any type of night lighting in the room to promote relaxation.

Answer:
3