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: Regarding vaccination with rubella vaccine in pregnant women, point out the correct answer: 
 Options:  <1> It should be encouraged as it is very convenient for Public Health. <2> It is the procedure of choice for the control of congenital rubella syndrome. <3> It is no longer considered as an indication of abortion. <4> It is allowed in the case of vaccines of strain RA 27/3, but not in the case of vaccines of the strain Cendehill. <5> It must be administered in conjunction with specific immunoglobulin
3

Question: In the determination of water hardness due to the presence of Ca2 + and Mg2 + ions, the titrant reagent is used: 
 Options:  <1> Methyl orange. <2> A standard solution of potassium chloride. <3> Black Eriochrome T. <4> A standard solution of ethylenediaminetetraacetic acid (EDTA). <5> A solution of AEDT previously standardized against a solution of potassium phthalate.
4

Question: Patient with polyuria and polydipsia with a specific urine density greater than 1.040. From the following options indicate the most probable diagnosis: 
 Options:  <1> Alcohol intoxication <2> Suppression of ADH (vasopressin) by barbiturates. <3> Mellitus diabetes. <4> Lithium toxicity that causes diabetes insipidus. <5> Central deficit of ADH (vasopressin).

3