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: A patient from Bolivia diagnosed with Chagas disease underwent a blood count that showed 1,100 eosinophils / L (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.
[EX A]: 1

[EX Q]: Question: COMPLETE: in the Krebs cycle 4 oxidation reactions occur, in 3 of them the final acceptor electron is ___ and in the other is ___:
Options: <1> FAD / FMN. <2> NAD + / FMN. <3> NADP + / FAD. <4> NAD + / FAD. <5> FAD / NAD +.
[EX A]: 4

[EX Q]: Question: Th1 lymphocytes:
Options: <1> Activate B lymphocytes and eosinophils. <2> Activate macrophages and NK lymphocytes. <3> They secrete mainly IL-4. <4> They promote the production of IgE. <5> They are a type of Treg lymphocytes.
[EX A]:
2