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: In a Gram positive pathogen involved in pharyngitis and rheumatic fever: 
 Options:  <1> Staphylococcus aureus. <2> Micrococcus luteus. <3> Moraxella catarrhalis. <4> Haemophilus influenzae. <5> Streptococcus pyogenes.
answer:
5


question:
Question: Point out the correct answer regarding the regulation of hematopoiesis: 
 Options:  <1> Altitude inhibits hematopoiesis. <2> Erythropoietin inhibits hematopoiesis. <3> Hypoxia stimulates the production of erythropoietin. <4> Erythropoietin is synthesized in the liver. <5> Erythropoietin does not influence the production of red blood cells.
answer:
3


question:
Question: Which of the following statements about the meta-analysis is correct? 
 Options:  <1> The objective of the meta-analysis is to quantitatively summarize the results of the studies carried out. <2> The meta-analysis is a large clinical trial. <3> It would be desirable to avoid negative clinical trials, as well as unpublished ones, to prevent selection biases. <4> By definition, all meta-analyzes are a reliable source of evidence, the quality of the trials being irrelevant or if they include the results of randomized clinical trials. <5> The meta-analysis will correct the errors of carrying out the tests.
answer:

1