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'.

[EX Q]: Question: Question linked to image n7 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
[EX A]: 3

[EX Q]: Question: In the technique of atomic absorption spectrometry, the use of an electrothermal atomizer instead of the flame provides:
Options: <1> Greater accuracy <2> Greater precision. <3> Greater sample consumption <4> Longer analysis times. <5> Greater sensitivity
[EX A]: 5

[EX Q]: Question: If the normal reduction potential of the pair Zn2 + / Zn is -0.76 V:
Options: <1> Aqueous solutions of Zn2 + at pH = 0 release oxygen. <2> Putting metallic Zn in aqueous solution at pH = 0 releases oxygen. <3> Aqueous solutions of Zn2 + at pH = 0 give off hydrogen. <4> By putting metallic Zn in aqueous solution at pH = 0, hydrogen is evolved. <5> Zn2 + dismutates in aqueous solution at pH = 0.
[EX A]:
4