instruction:
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:
Question: Esters can be obtained from carboxylic acids and alcohols, by applying the Fischer esterification reaction in which: 
 Options:  <1> A base is used as a catalyst. <2> A ketone is used as the solvent. <3> A reducing reagent is used. <4> An oxidizing agent is used. <5> Acid catalysis is used.
answer:
5


question:
Question: The INR (international normalized ratio) of a patient with chronic atrial fibrillation treated with Acenocoumarol is 4. This result indicates that: 
 Options:  <1> The appearance of ventricular arrhythmias should be controlled. <2> The patient is correctly anticoagulated. <3> Anticoagulation with heparin is more indicated. <4> There is a risk of thrombus formation. <5> Signs of bleeding should be assessed.
answer:
5


question:
Question: Indicate the correct answer regarding the Lawton index as a scale of assessment in geriatrics: 
 Options:  <1> Due to its complexity to be applied, it requires that the interviewer has been previously trained. <2> It must always be applied by direct observation of the person evaluated. <3> Several of its items are related to domestic tasks. <4> Evaluate the advanced activities of daily life. <5> Many of its items value activities associated with the male role.
answer:

3