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: With what aspect does the difficulty of the elderly relate to solve new problems ?: 
 Options:  <1> Creativity. <2> Motivation. <3> Verbal fluency. <4> Memory. <5> Response time.
5

Question: 84-year-old man with severe respiratory failure secondary to carcinomatous lymphangitis associated with gastric cancer. A companion of his service has begun, that same day, treatment with oral morphine 10 mg / 4 hours. The patient is restless, at 34 breaths per minute, O2 saturation is 80% with an FiO2 of 28%. What should his attitude be? 
 Options:  <1> Withdraw treatment because it may worsen respiratory failure. <2> Increase the doses up to 20 mg / 4 hours according to evolution. <3> Increase oxygen flow to 35%. <4> Change the treatment of morphine by scopolamine. <5> To add to a treatment of a risperidon.
2

Question: The number of molecules per unit cell is a structure centered on all faces is: 
 Options:  <1> A. <2> Two. <3> Three. <4> Four. <5> Six.

4