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'.

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.
4

Question: What is the name of the specialty of the History of Nursing that is dedicated to the study of existing care systems in Prehistory? 
 Options:  <1> Paleodermia. <2> Neo-nursing <3> Primo Nursing. <4> Ethno-nursing <5> Meso-nursing
1

Question: Question linked to the image nº11 The ultrasound image presented to him corresponds to a 37-year-old woman who consulted for non-traumatic right back pain associated with fever. Based on that background and the sonographic findings, point out the correct answer: 
 Options:  <1> An enlarged gallbladder with a double-walled sign is observed. <2> The findings suggest perinephric abscess with free perirenal fluid. <3> The image does not provide enough data to help the diagnosis. <4> The image suggests a large parapelic cyst; It is a minor find. <5> Ultrasound suggests obstruction of the urinary tract.

5