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: The lithium aluminum hydride is a nucleophile strong enough to be added to the carbonyl group of the carboxylate ions. This process allows obtaining: 
 Options:  <1> Primary alcohols. <2> Secondary alcohols <3> Tertiary alcohols. <4> Ketones <5> Ethers
[A]: 1


[Q]: Question: A 45-year-old man underwent a truncal vagotomy and antrectomy with Billroth II reconstruction, for suffering from a chronic peptic ulcer disease with pylorus-duodenal stenosis. Six weeks after the surgery, he reported that shortly after (less than half an hour) of the ingestions he presented with a nauseating state, asthenia and sweating, dizziness and abdominal cramps, usually accompanied by diarrheal descent. Which of the following is the most appropriate attitude for its initial management? 
 Options:  <1> Apply treatment with a somatostatin analog (octeotide). <2> Follow specific dietary measures. <3> Perform a test treatment with a benzodiazepine. <4> Perform the search for a probable neuroendocrine tumor (eg, carcinoid). <5> Indicate surgical treatment to perform an anti-peristaltic gastro-jejunostomy in Roux-en-Y.
[A]: 2


[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