TASK DEFINITION: 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'.
PROBLEM: 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.

SOLUTION: 3

PROBLEM: Question: In relation to vaccines, indicate the correct option: 
 Options:  <1> The immunization schedule should be suspended during the summer months. <2> The vaccination calendar is fixed and immovable. <3> The appropriate storage temperature is between 2 and 8C. <4> Influenza vaccine should only be given to people older than 14 years. <5> All the previous answers are correct.

SOLUTION: 3

PROBLEM: Question: A patient with dyspepsia will undergo a screening test for Helicobacter pylori. Before carrying out the test, the patient should know that: 
 Options:  <1> Treatment with proton pump inhibitors should be discontinued at least one week before the test. <2> Treatment with proton pump inhibitors should be discontinued at least two weeks before the test. <3> The use of antacids also modifies the results of the test. <4> The use of antibiotics does not modify the diagnostic tests for H. pylori. <5> Antibiotic treatments negativize the diagnostic tests for H. pylori, so these drugs should be avoided for one week before any diagnostic test.

SOLUTION:
2