instruction:
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'.
question:
Question: A classification of gas chromatography detectors commonly found in the literature divides them into concentration and mass detectors, destructive and non-destructive, integral or differential and universal or selective. According to this classification: 
 Options:  <1> The thermal conductivity detector is a selective detector. <2> The flame ionization detector responds to the concentration of the analyte. <3> The thermal conductivity detector responds to the concentration of the analyte. <4> The phosphorus and nitrogen detector (NPD) is a universal detector. <5> The thermocalorimeter detector is of the differential type.
answer:
3


question:
Question: The deoxyribonucleotides are synthesized: 
 Options:  <1> From the ribonucleotide triphosphate. <2> From the ribonucleotides diphosphate. <3> From NADPH. <4> By oxidation of ribonucleotides. <5> For DNA polymerase III.
answer:
2


question:
Question: An 80-year-old man is admitted with a sudden picture of aphasia and right hemiparesis. As background highlights, hypertension, well controlled diet and cognitive impairment in the last year under study by his neurologist. Emergency cranial CT demonstrates a left frontal lobar hematoma without contrast enhancement. What is the most likely cause of the hematoma? 
 Options:  <1> Arteriovenous malformation masked by the acute hematoma. <2> Chronic arterial hypertension. <3> Vasculitis isolated from the nervous system. <4> Brain tumor. <5> Amyloid cerebral angiopathy (congophilic angiopathy).
answer:

5