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: Statins are used to reduce cholesterol levels and act as analogs of the transition state of an enzyme involved in its biosynthesis. What enzyme is it?
Options: <1> 14-Alpha-demethylase. <2> Hydroxymethylglutaryl coenzyme A (HMGCoA) reductase. <3> Cyclooxygenase 2 (COX-2). <4> Squalene epoxidase. <5> Aromatase
2

Question: In eukaryotes, group II introns are in genes:
Options: <1> Of rRNA. <2> From tRNA. <3> They encode proteins in the nucleus. <4> They encode proteins in mitochondria. <5> None is correct.
4

Question: A patient diagnosed with angina will NOT recommend:
Options: <1> Alternating activity with periods of rest. <2> Take oral nitroglycerin in the morning. <3> Avoid extreme cold. <4> Follow a diet rich in fiber. <5> Leave the tobacco.
2