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: Epidemiology allows early detection of changes in the incidence of a certain disease in the population. For this, the most correct thing is to use: 
 Options:  <1> The etiological investigation. <2> The description of the natural history of the disease. <3> Epidemiological surveillance. <4> The evaluation of the functioning of the services. <5> None of the previous answers is correct.

Answer: 3


Question: Question: The conception of person based on the idea that he is a being inseparably linked to his culture is developed in the care model of: 
 Options:  <1> M. E. Rogers. <2> N. J. Pender. <3> J. Watson. <4> M. Leininger. <5> M. K. Chisman and J. Riehl-Sisca.

Answer: 4


Question: Question: Question linked to image nº1 40-year-old man with no relevant background. For 4 weeks, refers to diarrheic stools, associated with jaundice of skin and mucous membranes, coluria, hypocholia and pain in right hypochondrium, accompanied by weight loss (10 kg approx) and intense itching. In the analytical highlights: Total bilirubin: 15.3 mg / dl. Alanine aminotransferase: 70 U / l Aspartate aminotransferase: 85 U / l. Serology for negative hepatitis and elevation of CA 19-9. Abdominal CT is performed. 3 axial sections are shown. In relation to the findings of the radiological test, which of the following statements is true? 
 Options:  <1> A tumoral mass is observed in the head of the pancreas that causes biliary and ductal dilatation compatible with adenocarcinoma. <2> Presence of diffuse thickening of the pancreas with arcuate Wirsung compatible with lymphoplasmacytic pancreatitis. <3> A tumoral mass is identified in a vesicular infundibulum compatible with vesicular adenocarcinoma. <4> Voluminous tumor lymphadenopathies are observed in the hepatic hilum that produce dilation of the bile duct. <5> Presence of multiple solid focal liver lesions compatible with diffuse liver metastases.

Answer:
1