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: P. C. is a terminally ill patient with oral mucositis and pain, although he retains the ability to eat a solid diet. Which of the following actions would be indicated? 
 Options:  <1> Encourage him to suck pineapple chips. <2> Rinse the mouth with ¾ parts of 0.9% saline and ¼ part of oxygenated water. <3> Make gargles with nystatin alternating with chlorhexidine. <4> Administer viscous lidocaine 2% before meals. <5> Provide a tremix diet.
4

Question: The characteristic of delusions that refers to the maintenance of delirium over time, despite the evidence against is: 
 Options:  <1> The intensity or conviction. <2> The unmodifiable, incorrigibility or fixity. <3> Presence of cultural supports. <4> Concern. <5> Communication deviation.

2