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: A 17-year-old boy referred to a health center referring to a 39-degree fever of 48 hours of evolution with a sore throat. The family doctor consults the history of the patient where it does not cost any previous illness. The patient did not report cough and the examination performed by his family doctor reveals the presence of bilateral whitish tonsillar exudate and anterior cervical adenopathies enlarged and painful on palpation. What would be the treatment of choice for this patient? 
 Options:  <1> Penicillin V or amoxicillin. <2> Amoxicillin clavulanic. <3> Doxycycline <4> Ciprofloxacin <5> Metronidazole
[EX A]: 1

[EX Q]: Question: At what stage is the person when they begin to balance the positive and negative consequences of drug use and, as a result, begin to consider stopping consumption, but basically maintain their ambivalence in this decisional balance? 
 Options:  <1> Stadium of action. <2> Contemplation stadium. <3> Relapse stadium. <4> Pre-contemplation stadium. <5> Post-relapse stadium.
[EX A]: 2

[EX Q]: Question: Sodium borohydride is a reagent used in Organic Chemistry for its properties such as: 
 Options:  <1> Reducer. <2> Oxidizer <3> Alkylator <4> Acid. <5> Organometallic.
[EX A]:
1