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: Diabetes Insipidus: 
 Options:  <1> It is a disease linked to the dysfunction of the anterior pituitary gland. <2> It is controlled by limiting the ingestion of liquids. <3> It manifests by polydipsia and the elimination of large volumes of diluted urine. <4> It originates in the pancreas. <5> It is caused by excessive production of ADH (Vasopressin).
[A]: 3


[Q]: Question: A 68-year-old patient has a tumor mass diagnosed of small cell lung carcinoma in the right main bronchus at 1 cm from the tracheal carina. Mediastinoscopy shows contralateral adenopathies that are positive. The recommended treatment would be: 
 Options:  <1> Chemotherapy with right pneumonectomy. <2> Surgery and subsequent radiotherapy of all affected ganglion chains. <3> Right pneumonectomy and posterior chemotherapy. <4> Chemotherapy and radiotherapy. <5> Radiotherapy.
[A]:
4