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: Indicate which of the following deficits leads to a porphyria: 
 Options:  <1> Phenylalanine hydroxylase. <2> 21 α-hydroxylase. <3> Ferrochelatase <4> Glucokinase. <5> Tyrosine hydroxylase.
[EX A]: 3

[EX Q]: Question: The reaction product of cyclohexanone with bromine catalyzed by a base is: 
 Options:  <1> 2-Bromocyclohexanone. <2> 2,2-Dibromocyclohexanone. <3> 2,2,6-Tribomociclohexanona. <4> 1,1-Dibromocyclohexane. <5> 2,2,6,6-Tetrabromocyclohexanone.
[EX A]: 5

[EX Q]: Question: Question linked to the image nº8 A 63-year-old man with persistent pain and swelling, progressive deformity, functional impotence and prolonged rigidity after inactivity in hands, knees and feet for which he had not consulted previously. In an elemental analysis carried out in his company, he highlighted VSG 78 mm / hour, PCR 54 mg / L and uric acid 7.4 mg / dL. The X-ray of hands is shown in the image. The most likely diagnosis is: 
 Options:  <1> Tophaceous drop <2> Erosive arthrosis <3> Rheumatoid arthritis. <4> Pyrophosphate arthropathy. <5> Polymyalgia rheumatica.
[EX A]:
3