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'.
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Question: Question: It is characteristic of the alpha helix: 
 Options:  <1> Present 3.6 amino acid residues per turn. <2> Be levorotatory <3> Be stabilized by intrachain disulfide bridges. <4> Present ionic bonds between amino and ketone groups loaded with peptide bonds. <5> Have the side chains of the amino acids inwards.

Answer: 1


Question: Question: A 65-year-old man, smoker and diabetic, is brought to the Emergency Department for presenting an oppressive, deep-throating sweat for about an hour. In the ECG performed, sinus rhythm was observed at 80 bpm and a complete block of the left branch. What should our attitude be? 
 Options:  <1> Perform an analytical determination of troponin and wait for its result to confirm the presence of an acute myocardial infarction. <2> Treat the patient as if it were an infarction with ST-segment elevation, proposing a reperfusion therapy as early as possible. <3> To implant a transcutaneous pacemaker before the possibility of developing a more advanced block. <4> Perform an urgent CT to rule out the presence of an acute pulmonary embolism. <5> As it could be an acute pericarditis, we will administer NSAIDs.

Answer: 2


Question: Question: The NR3 group of a quaternary ammonium salt, R ̶ NR3, is a good leaving group in reactions: 
 Options:  <1> E1. <2> E2. <3> SN1. <4> SN2. <5> In none of the above.

Answer:
2