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: Question linked to image nº7 A 31-year-old patient, with no previous history of interest, consulted due to muscle weakness of a few months of evolution that has progressively made it difficult for her to go up and down stairs. Physical examination is notable for the desquamative papuloerithematous lesions seen in the figure. To achieve the diagnosis, a muscle biopsy is performed, among other tests, which can be seen in the figure. What do you think is the most likely diagnosis? 
 Options:  <1> Vasculitis type panarteritis nodosa. <2> Systemic lupus erythematosus. <3> Dermatomyositis <4> Myositis with inclusion bodies. <5> Sarcoidosis

A: 3
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Q: Question: The type of epidemiological study indicated to evaluate, in a population initially exempt from the health problem under study, the association between a risk factor and the onset of the disease is: 
 Options:  <1> Randomized clinical trial. <2> Quasi experimental. <3> Ecological studies <4> Cases and controls study. <5> Cohort study.

A: 3
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Q: Question: A 50-year-old patient with a pleural effusion with the following characteristics: straw appearance, pH 7.3, ratio of pleura / serum proteins 0.8, ratio of LDH pleura / serum 0.9, Gram and Ziehl negative, total lipids, cholesterol and normal triglycerides, cells mesothelial <5%, intense lymphocytosis without atypia, ADA 64 U / l. What diagnosis do you suggest? 
 Options:  <1> Pleural empyema <2> Pleural effusion due to heart failure (transudate). <3> Pleural mesothelioma. <4> Tuberculous pleural effusion <5> Secondary effusion to pulmonary infarction.

A:
4
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