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: With which of the following parameters is the concept of frailty identified in older people? 
 Options:  <1> Lower physiological reserve. <2> Dependence. <3> Advanced age. <4> Polypharmacy <5> Inability.
[EX A]: 1

[EX Q]: Question: Question linked to the image nº4 34-year-old man, athlete, who presents a picture of oppressive, continuous chest pain radiating to the back that is accentuated with deep inspiration, of 4 days of evolution, without fever. It refers to a picture of tonsillitis 2 months ago. Rhythmic cardiac auscultation without murmurs. It does not present data of hemodynamic alteration or heart failure. Normal analytical, except for discrete leukocytosis. When you arrive at the emergency room, an ECG is performed, shown in the figure. While waiting for the result of markers of myocardial injury, the most likely diagnosis in this patient is: 
 Options:  <1> Subacute myocardial infarction anteroseptal. <2> Tietze syndrome. <3> Osteomuscular thoracic pain with athlete's ECG. <4> Acute pericarditis <5> Unstable angina.
[EX A]: 4

[EX Q]: Question: The denaturing of DNA: 
 Options:  <1> It increases when the temperature decreases. <2> It is accompanied by an increase in the absorption of UV light. <3> DNA with high G / C content does so at a lower temperature than those rich in A / T. <4> It is irreversible. <5> Indicates the hydrolysis of phosphodiester bonds.
[EX A]:
2