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: In relation to the physiology of the complement system, one of the following statements is false: 
 Options:  <1> Most of its components are inactive. <2> Its mode of activation is similar to the coagulation cascade. <3> It is subject to strict control of regulatory mechanisms. <4> It is only activated by two different routes: the classical and the alternative. <5> During its activation, multimolecular complexes are formed.
4

Question: Question linked to image no. 9 To rule out situations that may simulate the patient's manifestations and establish a differential diagnosis, we must continue with the interrogation. One of the following habits or antecedents would be difficult to relate to the facial alterations observed. Point out which one. 
 Options:  <1> Habit of stretching the hairs (trichotillomania). <2> A sexually transmitted disease <3> Contact with people or geographic areas with leprosy. <4> Drug intake. <5> History of hyperuricemia.
5

Question: A 29-year-old woman, obese, with no history of interest, who consulted for a bilateral, intense, pulsatile headache lasting one month, accompanied by horizontal diplopia and episodes of monocular amaurosis of seconds duration. The exploration is normal, except for the presence of bilateral papilledema. Which of these tests do you think will allow you to fully confirm your diagnosis ?: 
 Options:  <1> Ultrasound of supra-aortic trunks. <2> Magnetic resonance of the skull. <3> Electroencephalogram. <4> Lumbar puncture. <5> Visual evoked potentials.

4