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: The QT interval of the electrocardiogram indicates the duration of: 
 Options:  <1> Atrial contraction <2> Ventricular contraction. <3> Ventricular relaxation <4> Atrial relaxation <5> Delay in the atrioventricular node.
[EX A]: 2

[EX Q]: Question: It is well associated with its function: 
 Options:  <1> Ribosomal RNA - messenger preRNA processing. <2> Messenger RNA - amino acid binding. <3> MicroRNA - inhibition of the translation of messenger RNA. <4> Transfer RNA - structural component of the ribosome. <5> Small interference RNA - processing of ribosomal RNA.
[EX A]: 3

[EX Q]: Question: A.C. is hospitalized for presenting a picture of thyrotoxicosis. Which of these measures would you carry out? 
 Options:  <1> Shelter the patient with blankets. <2> Provide hypocaloric diet. <3> Encourage aerobic exercise. <4> Control the frequency and characteristics of the pulse. <5> Administer stool softeners regularly.
[EX A]:
4