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: Gallium is the element that is under the aluminum in group 13 of the periodic table. Thus: 
 Options:  <1> It burns in oxygen giving Ga2O. <2> It is stable to air due to a protective oxide layer. <3> It dissolves very quickly in nitric acid. <4> It is not soluble in basic water with hydrogen evolution. <5> It has a melting point a little higher than aluminum.
[EX A]: 2

[EX Q]: Question: Which of the following drugs is included in the group of intermediate-acting glucocorticoids ?: 
 Options:  <1> Chlorpropamide <2> Estradiol. <3> Metformin. <4> Carbamazepine <5> Prednisolone
[EX A]: 5

[EX Q]: Question: A 70-year-old woman with a history of hypertension and moderate heart failure attended the clinic due to a persistent and dry cough that started as a sensation of itching in the throat. In the analytical hyperkalemia is observed. What is the drug suspected of causing the clinical and analytical alteration of the patient? 
 Options:  <1> Hydrochlorothiazide. <2> Bisoprolol. <3> Furosemide. <4> Enalapril <5> Hydralazine
[EX A]:
4