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: Sodium metal reacts violently with water because Na: 
 Options:  <1> Oxidize the water to oxygen, and the reaction is very exothermic. <2> It reduces the water to hydrogen, and the reaction is very exothermic. <3> Oxidizes the water to oxygen, and when a gas is generated, the entropy increases enormously. <4> It reduces the water to hydrogen, and the reaction is very endothermic. <5> It combines with water giving rise to an explosive hydride.
2

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.
4

Question: When a terminal patient presents pain: 
 Options:  <1> Analgesia will be prescribed. <2> The treatment must be limited to the use of drugs. <3> The drugs will be administered on demand. <4> The route of choice for the administration of drugs will be the one determined by the physician. <5> The route to be used for the administration of analgesia, preferably, will be intramuscular.

1