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: 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 +.

A: 4
****
Q: Question: One of the characteristics of the primary delirium experience is: 
 Options:  <1> Its greater modifiability, compared with the secondary one. <2> The primary obsessive concern of the patient to control reality. <3> That does not have its origin in a previous anomalous experience. <4> That is not maintained with intense conviction. <5> Which is plausible

A: 3
****
Q: Question: Indicate which of the following is a mitochondrial disease: 
 Options:  <1> α-thalassemia <2> Essential fructosuria. <3> Leigh syndrome. <4> Cushing's syndrome. <5> Sickle cell anemia

A:
3
****