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: What values ​​obtained in an arterial blood gas are considered within the normal parameters in an adult person ?: 
 Options:  <1> PaCO2 65mmHg, PaO2 80mmHg, pH 7.55. <2> PaCO2 35mmHg, PaO2 110mmHg, pH 7.55. <3> PaCO2 35mmHg, PaO2 90mmHg, pH 7.35. <4> PaCO2 80mmHg, PaO2 35mmHg, pH 7.35. <5> PaCO2 20mmHg, PaO2 90mmHg, pH 7.45.
answer:
3


question:
Question: The R-bands of human metaphase chromosomes: 
 Options:  <1> They contain DNA rich in AT pairs. <2> They have high gene density. <3> They contain poor DNA in GC pairs. <4> They replicate at the end of phase S. <5> They have low gene density.
answer:
2


question:
Question: Which of these statements is NOT a characteristic of phase I clinical trials? 
 Options:  <1> They usually have non-therapeutic goals. <2> They can be done in healthy volunteers. <3> They can be done in patients. <4> They are usually randomized. <5> They are usually open.
answer:

4