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: Enzymatic regulation by phosphorylation: 
 Options:  <1> It is reversible. <2> It requires enzymes that directly introduce the Pi. <3> Introduce the Pi into acidic and basic amino acids. <4> Always activate enzymes. <5> It is carried out by phosphatases.
[EX A]: 1

[EX Q]: Question: The most accurate measurement of body temperature in an unconscious patient should be obtained at: 
 Options:  <1> Oral. <2> Axillary. <3> It is indifferent. <4> Rectal. <5> Inguinal.
[EX A]: 4

[EX Q]: Question: Faced with a 23-year-old patient who went to the emergency room on a Friday morning after a street fight, with clear signs of enolism and knife injury (stabbing) at the level of III right intercostal space 3 mm from the sternal margin, actively bleeding and hemodynamically unstable associated with marked hypophonia of all right hemithorax. Which structure of the following should you think may be injured? 
 Options:  <1> Right primitive carotid artery. <2> Right internal thoracic artery. <3> Right subscapular artery. <4> Upper right thyroid artery. <5> Thigh superior thymic artery.
[EX A]:
2