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'.

[Q]: Question: In the β-oxidation of odd-chain fatty acids, what is the molecule that forms with the last three carbons to enter the citric acid cycle ?: 
 Options:  <1> Propionyl-CoA. <2> Methylmalonyl-CoA. <3> Succinyl-CoA. <4> Succinate <5> Malate.
[A]: 3


[Q]: Question: Question linked to image n ° 16 Patient of 84 years who presents an ulcerated tumor lesion that shows in the scalp of more than 20 years of evolution. No palpable locoregional adenopathies. Obviously the lesion must be biopsied for diagnostic confirmation but, a priori, which of the following diagnoses seems most likely? 
 Options:  <1> Merkel cell tumor. <2> Basal cell carcinoma. <3> Squamous carcinoma <4> Amelanotic malignant melanoma. <5> Cutaneous B-cell lymphoma
[A]: 2


[Q]: Question: A patient from Bolivia diagnosed with Chagas disease underwent a blood count that showed 1,100 eosinophils / μL (12% of leukocytes). Which of the following diagnoses is LESS likely? 
 Options:  <1> Infestation by Schistosoma haematobium. <2> Infestation by Ancylostoma duodenale. <3> Infestation by Strongyloides stercoralis. <4> Infestation by Ascaris lumbricoides. <5> Infestation by Necator americanus.
[A]:
1